256067280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2$

素因数の和:143

約数の個数: 360

約数和(自身を含む): 1047825792

約数和(自身を除く): 791758512

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 47, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 94, 105, 112, 115, 120, 126, 138, 140, 141, 144, 161, 168, 180, 184, 188, 207, 210, 230, 235, 240, 252, 276, 280, 282, 315, 322, 329, 336, 345, 360, 368, 376, 414, 420, 423, 460, 470, 483, 504, 552, 560, 564, 630, 644, 658, 690, 705, 720, 752, 805, 828, 840, 846, 920, 940, 966, 987, 1008, 1035, 1081, 1104, 1128, 1260, 1288, 1316, 1380, 1410, 1449, 1610, 1645, 1656, 1680, 1692, 1840, 1880, 1932, 1974, 2070, 2115, 2162, 2209, 2256, 2415, 2520, 2576, 2632, 2760, 2820, 2898, 2961, 3220, 3243, 3290, 3312, 3384, 3760, 3864, 3948, 4140, 4230, 4324, 4418, 4830, 4935, 5040, 5264, 5405, 5520, 5640, 5796, 5922, 6440, 6486, 6580, 6627, 6768, 7245, 7567, 7728, 7896, 8280, 8460, 8648, 8836, 9660, 9729, 9870, 10810, 11045, 11280, 11592, 11844, 12880, 12972, 13160, 13254, 14490, 14805, 15134, 15463, 15792, 16215, 16560, 16920, 17296, 17672, 19320, 19458, 19740, 19881, 21620, 22090, 22701, 23184, 23688, 25944, 26320, 26508, 28980, 29610, 30268, 30926, 32430, 33135, 33840, 35344, 37835, 38640, 38916, 39480, 39762, 43240, 44180, 45402, 46389, 47376, 48645, 50807, 51888, 53016, 57960, 59220, 60536, 61852, 64860, 66270, 68103, 75670, 77315, 77832, 78960, 79524, 86480, 88360, 90804, 92778, 97290, 99405, 101614, 106032, 113505, 115920, 118440, 121072, 123704, 129720, 132540, 136206, 139167, 151340, 152421, 154630, 155664, 159048, 176720, 181608, 185556, 194580, 198810, 203228, 227010, 231945, 236880, 247408, 254035, 259440, 265080, 272412, 278334, 302680, 304842, 309260, 318096, 340515, 355649, 363216, 371112, 389160, 397620, 406456, 454020, 457263, 463890, 508070, 530160, 544824, 556668, 605360, 609684, 618520, 681030, 695835, 711298, 742224, 762105, 778320, 795240, 812912, 908040, 914526, 927780, 1016140, 1066947, 1089648, 1113336, 1219368, 1237040, 1362060, 1391670, 1422596, 1524210, 1590480, 1778245, 1816080, 1829052, 1855560, 2032280, 2133894, 2226672, 2286315, 2438736, 2724120, 2783340, 2845192, 3048420, 3200841, 3556490, 3658104, 3711120, 4064560, 4267788, 4572630, 5334735, 5448240, 5566680, 5690384, 6096840, 6401682, 7112980, 7316208, 8535576, 9145260, 10669470, 11133360, 12193680, 12803364, 14225960, 16004205, 17071152, 18290520, 21338940, 25606728, 28451920, 32008410, 36581040, 42677880, 51213456, 64016820, 85355760, 128033640, 256067280]

約数ペア:

[(1, 256067280), (2, 128033640), (3, 85355760), (4, 64016820), (5, 51213456), (6, 42677880), (7, 36581040), (8, 32008410), (9, 28451920), (10, 25606728), (12, 21338940), (14, 18290520), (15, 17071152), (16, 16004205), (18, 14225960), (20, 12803364), (21, 12193680), (23, 11133360), (24, 10669470), (28, 9145260), (30, 8535576), (35, 7316208), (36, 7112980), (40, 6401682), (42, 6096840), (45, 5690384), (46, 5566680), (47, 5448240), (48, 5334735), (56, 4572630), (60, 4267788), (63, 4064560), (69, 3711120), (70, 3658104), (72, 3556490), (80, 3200841), (84, 3048420), (90, 2845192), (92, 2783340), (94, 2724120), (105, 2438736), (112, 2286315), (115, 2226672), (120, 2133894), (126, 2032280), (138, 1855560), (140, 1829052), (141, 1816080), (144, 1778245), (161, 1590480), (168, 1524210), (180, 1422596), (184, 1391670), (188, 1362060), (207, 1237040), (210, 1219368), (230, 1113336), (235, 1089648), (240, 1066947), (252, 1016140), (276, 927780), (280, 914526), (282, 908040), (315, 812912), (322, 795240), (329, 778320), (336, 762105), (345, 742224), (360, 711298), (368, 695835), (376, 681030), (414, 618520), (420, 609684), (423, 605360), (460, 556668), (470, 544824), (483, 530160), (504, 508070), (552, 463890), (560, 457263), (564, 454020), (630, 406456), (644, 397620), (658, 389160), (690, 371112), (705, 363216), (720, 355649), (752, 340515), (805, 318096), (828, 309260), (840, 304842), (846, 302680), (920, 278334), (940, 272412), (966, 265080), (987, 259440), (1008, 254035), (1035, 247408), (1081, 236880), (1104, 231945), (1128, 227010), (1260, 203228), (1288, 198810), (1316, 194580), (1380, 185556), (1410, 181608), (1449, 176720), (1610, 159048), (1645, 155664), (1656, 154630), (1680, 152421), (1692, 151340), (1840, 139167), (1880, 136206), (1932, 132540), (1974, 129720), (2070, 123704), (2115, 121072), (2162, 118440), (2209, 115920), (2256, 113505), (2415, 106032), (2520, 101614), (2576, 99405), (2632, 97290), (2760, 92778), (2820, 90804), (2898, 88360), (2961, 86480), (3220, 79524), (3243, 78960), (3290, 77832), (3312, 77315), (3384, 75670), (3760, 68103), (3864, 66270), (3948, 64860), (4140, 61852), (4230, 60536), (4324, 59220), (4418, 57960), (4830, 53016), (4935, 51888), (5040, 50807), (5264, 48645), (5405, 47376), (5520, 46389), (5640, 45402), (5796, 44180), (5922, 43240), (6440, 39762), (6486, 39480), (6580, 38916), (6627, 38640), (6768, 37835), (7245, 35344), (7567, 33840), (7728, 33135), (7896, 32430), (8280, 30926), (8460, 30268), (8648, 29610), (8836, 28980), (9660, 26508), (9729, 26320), (9870, 25944), (10810, 23688), (11045, 23184), (11280, 22701), (11592, 22090), (11844, 21620), (12880, 19881), (12972, 19740), (13160, 19458), (13254, 19320), (14490, 17672), (14805, 17296), (15134, 16920), (15463, 16560), (15792, 16215)]