78666840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 384

約数和(自身を含む): 323481600

約数和(自身を除く): 244814760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 31, 35, 36, 38, 40, 42, 45, 53, 56, 57, 60, 62, 63, 70, 72, 76, 84, 90, 93, 95, 105, 106, 114, 120, 124, 126, 133, 140, 152, 155, 159, 168, 171, 180, 186, 190, 210, 212, 217, 228, 248, 252, 265, 266, 279, 280, 285, 310, 315, 318, 342, 360, 371, 372, 380, 399, 420, 424, 434, 456, 465, 477, 504, 530, 532, 558, 570, 589, 620, 630, 636, 651, 665, 684, 742, 744, 760, 795, 798, 840, 855, 868, 930, 954, 1007, 1060, 1064, 1085, 1113, 1116, 1140, 1178, 1197, 1240, 1260, 1272, 1302, 1330, 1368, 1395, 1484, 1590, 1596, 1643, 1710, 1736, 1767, 1855, 1860, 1908, 1953, 1995, 2014, 2120, 2170, 2226, 2232, 2280, 2356, 2385, 2394, 2520, 2604, 2660, 2790, 2945, 2968, 3021, 3180, 3192, 3255, 3286, 3339, 3420, 3534, 3710, 3720, 3816, 3906, 3990, 4028, 4123, 4340, 4452, 4712, 4770, 4788, 4929, 5035, 5208, 5301, 5320, 5565, 5580, 5890, 5985, 6042, 6360, 6510, 6572, 6678, 6840, 7049, 7068, 7420, 7812, 7980, 8056, 8215, 8246, 8680, 8835, 8904, 9063, 9540, 9576, 9765, 9858, 10070, 10602, 11130, 11160, 11501, 11780, 11970, 12084, 12369, 13020, 13144, 13356, 14098, 14136, 14787, 14840, 15105, 15624, 15960, 16430, 16492, 16695, 17670, 18126, 19080, 19530, 19716, 20140, 20615, 21147, 21204, 22260, 23002, 23560, 23940, 24168, 24645, 24738, 26040, 26505, 26712, 28196, 29574, 30210, 31217, 32860, 32984, 33390, 34503, 35245, 35340, 36252, 37107, 39060, 39432, 40280, 41230, 42294, 42408, 44520, 45315, 46004, 47880, 49290, 49476, 53010, 56392, 57505, 59148, 60420, 61845, 62434, 63441, 65720, 66780, 69006, 70490, 70680, 72504, 73935, 74214, 78120, 82460, 84588, 90630, 92008, 93651, 98580, 98952, 103509, 105735, 106020, 115010, 118296, 120840, 123690, 124868, 126882, 133560, 138012, 140980, 147870, 148428, 156085, 164920, 169176, 172515, 181260, 185535, 187302, 197160, 207018, 211470, 212040, 218519, 230020, 247380, 249736, 253764, 276024, 280953, 281960, 295740, 296856, 312170, 317205, 345030, 362520, 371070, 374604, 414036, 422940, 437038, 460040, 468255, 494760, 507528, 517545, 561906, 591480, 624340, 634410, 655557, 690060, 742140, 749208, 828072, 845880, 874076, 936510, 1035090, 1092595, 1123812, 1248680, 1268820, 1311114, 1380120, 1404765, 1484280, 1748152, 1873020, 1966671, 2070180, 2185190, 2247624, 2537640, 2622228, 2809530, 3277785, 3746040, 3933342, 4140360, 4370380, 5244456, 5619060, 6555570, 7866684, 8740760, 9833355, 11238120, 13111140, 15733368, 19666710, 26222280, 39333420, 78666840]

約数ペア:

[(1, 78666840), (2, 39333420), (3, 26222280), (4, 19666710), (5, 15733368), (6, 13111140), (7, 11238120), (8, 9833355), (9, 8740760), (10, 7866684), (12, 6555570), (14, 5619060), (15, 5244456), (18, 4370380), (19, 4140360), (20, 3933342), (21, 3746040), (24, 3277785), (28, 2809530), (30, 2622228), (31, 2537640), (35, 2247624), (36, 2185190), (38, 2070180), (40, 1966671), (42, 1873020), (45, 1748152), (53, 1484280), (56, 1404765), (57, 1380120), (60, 1311114), (62, 1268820), (63, 1248680), (70, 1123812), (72, 1092595), (76, 1035090), (84, 936510), (90, 874076), (93, 845880), (95, 828072), (105, 749208), (106, 742140), (114, 690060), (120, 655557), (124, 634410), (126, 624340), (133, 591480), (140, 561906), (152, 517545), (155, 507528), (159, 494760), (168, 468255), (171, 460040), (180, 437038), (186, 422940), (190, 414036), (210, 374604), (212, 371070), (217, 362520), (228, 345030), (248, 317205), (252, 312170), (265, 296856), (266, 295740), (279, 281960), (280, 280953), (285, 276024), (310, 253764), (315, 249736), (318, 247380), (342, 230020), (360, 218519), (371, 212040), (372, 211470), (380, 207018), (399, 197160), (420, 187302), (424, 185535), (434, 181260), (456, 172515), (465, 169176), (477, 164920), (504, 156085), (530, 148428), (532, 147870), (558, 140980), (570, 138012), (589, 133560), (620, 126882), (630, 124868), (636, 123690), (651, 120840), (665, 118296), (684, 115010), (742, 106020), (744, 105735), (760, 103509), (795, 98952), (798, 98580), (840, 93651), (855, 92008), (868, 90630), (930, 84588), (954, 82460), (1007, 78120), (1060, 74214), (1064, 73935), (1085, 72504), (1113, 70680), (1116, 70490), (1140, 69006), (1178, 66780), (1197, 65720), (1240, 63441), (1260, 62434), (1272, 61845), (1302, 60420), (1330, 59148), (1368, 57505), (1395, 56392), (1484, 53010), (1590, 49476), (1596, 49290), (1643, 47880), (1710, 46004), (1736, 45315), (1767, 44520), (1855, 42408), (1860, 42294), (1908, 41230), (1953, 40280), (1995, 39432), (2014, 39060), (2120, 37107), (2170, 36252), (2226, 35340), (2232, 35245), (2280, 34503), (2356, 33390), (2385, 32984), (2394, 32860), (2520, 31217), (2604, 30210), (2660, 29574), (2790, 28196), (2945, 26712), (2968, 26505), (3021, 26040), (3180, 24738), (3192, 24645), (3255, 24168), (3286, 23940), (3339, 23560), (3420, 23002), (3534, 22260), (3710, 21204), (3720, 21147), (3816, 20615), (3906, 20140), (3990, 19716), (4028, 19530), (4123, 19080), (4340, 18126), (4452, 17670), (4712, 16695), (4770, 16492), (4788, 16430), (4929, 15960), (5035, 15624), (5208, 15105), (5301, 14840), (5320, 14787), (5565, 14136), (5580, 14098), (5890, 13356), (5985, 13144), (6042, 13020), (6360, 12369), (6510, 12084), (6572, 11970), (6678, 11780), (6840, 11501), (7049, 11160), (7068, 11130), (7420, 10602), (7812, 10070), (7980, 9858), (8056, 9765), (8215, 9576), (8246, 9540), (8680, 9063), (8835, 8904)]