261376920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 384

約数和(自身を含む): 1051315200

約数和(自身を除く): 789938280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 53, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 103, 105, 106, 114, 120, 126, 133, 140, 152, 159, 168, 171, 180, 190, 206, 210, 212, 228, 252, 265, 266, 280, 285, 309, 315, 318, 342, 360, 371, 380, 399, 412, 420, 424, 456, 477, 504, 515, 530, 532, 570, 618, 630, 636, 665, 684, 721, 742, 760, 795, 798, 824, 840, 855, 927, 954, 1007, 1030, 1060, 1064, 1113, 1140, 1197, 1236, 1260, 1272, 1330, 1368, 1442, 1484, 1545, 1590, 1596, 1710, 1854, 1855, 1908, 1957, 1995, 2014, 2060, 2120, 2163, 2226, 2280, 2385, 2394, 2472, 2520, 2660, 2884, 2968, 3021, 3090, 3180, 3192, 3339, 3420, 3605, 3708, 3710, 3816, 3914, 3990, 4028, 4120, 4326, 4452, 4635, 4770, 4788, 5035, 5320, 5459, 5565, 5768, 5871, 5985, 6042, 6180, 6360, 6489, 6678, 6840, 7049, 7210, 7416, 7420, 7828, 7980, 8056, 8652, 8904, 9063, 9270, 9540, 9576, 9785, 10070, 10815, 10918, 11130, 11742, 11970, 12084, 12360, 12978, 13356, 13699, 14098, 14420, 14840, 15105, 15656, 15960, 16377, 16695, 17304, 17613, 18126, 18540, 19080, 19570, 20140, 21147, 21630, 21836, 22260, 23484, 23940, 24168, 25956, 26712, 27295, 27398, 28196, 28840, 29355, 30210, 32445, 32754, 33390, 35226, 35245, 36252, 37080, 38213, 39140, 40280, 41097, 42294, 43260, 43672, 44520, 45315, 46968, 47880, 49131, 51912, 54590, 54796, 56392, 58710, 60420, 63441, 64890, 65508, 66780, 68495, 70452, 70490, 72504, 76426, 78280, 81885, 82194, 84588, 86520, 88065, 90630, 98262, 103721, 105735, 109180, 109592, 114639, 117420, 120840, 123291, 126882, 129780, 131016, 133560, 136990, 140904, 140980, 152852, 163770, 164388, 169176, 176130, 181260, 191065, 196524, 205485, 207442, 211470, 218360, 229278, 234840, 245655, 246582, 253764, 259560, 273980, 281960, 305704, 311163, 317205, 327540, 328776, 343917, 352260, 362520, 382130, 393048, 410970, 414884, 422940, 458556, 491310, 493164, 507528, 518605, 547960, 573195, 616455, 622326, 634410, 655080, 687834, 704520, 726047, 764260, 821940, 829768, 845880, 917112, 933489, 982620, 986328, 1037210, 1146390, 1232910, 1244652, 1268820, 1375668, 1452094, 1528520, 1555815, 1643880, 1719585, 1866978, 1965240, 2074420, 2178141, 2292780, 2465820, 2489304, 2537640, 2751336, 2904188, 3111630, 3439170, 3630235, 3733956, 4148840, 4356282, 4585560, 4667445, 4931640, 5808376, 6223260, 6534423, 6878340, 7260470, 7467912, 8712564, 9334890, 10890705, 12446520, 13068846, 13756680, 14520940, 17425128, 18669780, 21781410, 26137692, 29041880, 32672115, 37339560, 43562820, 52275384, 65344230, 87125640, 130688460, 261376920]

約数ペア:

[(1, 261376920), (2, 130688460), (3, 87125640), (4, 65344230), (5, 52275384), (6, 43562820), (7, 37339560), (8, 32672115), (9, 29041880), (10, 26137692), (12, 21781410), (14, 18669780), (15, 17425128), (18, 14520940), (19, 13756680), (20, 13068846), (21, 12446520), (24, 10890705), (28, 9334890), (30, 8712564), (35, 7467912), (36, 7260470), (38, 6878340), (40, 6534423), (42, 6223260), (45, 5808376), (53, 4931640), (56, 4667445), (57, 4585560), (60, 4356282), (63, 4148840), (70, 3733956), (72, 3630235), (76, 3439170), (84, 3111630), (90, 2904188), (95, 2751336), (103, 2537640), (105, 2489304), (106, 2465820), (114, 2292780), (120, 2178141), (126, 2074420), (133, 1965240), (140, 1866978), (152, 1719585), (159, 1643880), (168, 1555815), (171, 1528520), (180, 1452094), (190, 1375668), (206, 1268820), (210, 1244652), (212, 1232910), (228, 1146390), (252, 1037210), (265, 986328), (266, 982620), (280, 933489), (285, 917112), (309, 845880), (315, 829768), (318, 821940), (342, 764260), (360, 726047), (371, 704520), (380, 687834), (399, 655080), (412, 634410), (420, 622326), (424, 616455), (456, 573195), (477, 547960), (504, 518605), (515, 507528), (530, 493164), (532, 491310), (570, 458556), (618, 422940), (630, 414884), (636, 410970), (665, 393048), (684, 382130), (721, 362520), (742, 352260), (760, 343917), (795, 328776), (798, 327540), (824, 317205), (840, 311163), (855, 305704), (927, 281960), (954, 273980), (1007, 259560), (1030, 253764), (1060, 246582), (1064, 245655), (1113, 234840), (1140, 229278), (1197, 218360), (1236, 211470), (1260, 207442), (1272, 205485), (1330, 196524), (1368, 191065), (1442, 181260), (1484, 176130), (1545, 169176), (1590, 164388), (1596, 163770), (1710, 152852), (1854, 140980), (1855, 140904), (1908, 136990), (1957, 133560), (1995, 131016), (2014, 129780), (2060, 126882), (2120, 123291), (2163, 120840), (2226, 117420), (2280, 114639), (2385, 109592), (2394, 109180), (2472, 105735), (2520, 103721), (2660, 98262), (2884, 90630), (2968, 88065), (3021, 86520), (3090, 84588), (3180, 82194), (3192, 81885), (3339, 78280), (3420, 76426), (3605, 72504), (3708, 70490), (3710, 70452), (3816, 68495), (3914, 66780), (3990, 65508), (4028, 64890), (4120, 63441), (4326, 60420), (4452, 58710), (4635, 56392), (4770, 54796), (4788, 54590), (5035, 51912), (5320, 49131), (5459, 47880), (5565, 46968), (5768, 45315), (5871, 44520), (5985, 43672), (6042, 43260), (6180, 42294), (6360, 41097), (6489, 40280), (6678, 39140), (6840, 38213), (7049, 37080), (7210, 36252), (7416, 35245), (7420, 35226), (7828, 33390), (7980, 32754), (8056, 32445), (8652, 30210), (8904, 29355), (9063, 28840), (9270, 28196), (9540, 27398), (9576, 27295), (9785, 26712), (10070, 25956), (10815, 24168), (10918, 23940), (11130, 23484), (11742, 22260), (11970, 21836), (12084, 21630), (12360, 21147), (12978, 20140), (13356, 19570), (13699, 19080), (14098, 18540), (14420, 18126), (14840, 17613), (15105, 17304), (15656, 16695), (15960, 16377)]