256307160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:601

約数の個数: 128

約数和(自身を含む): 793152000

約数和(自身を除く): 536844840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 71, 120, 134, 142, 201, 213, 268, 284, 335, 355, 402, 426, 449, 536, 568, 670, 710, 804, 852, 898, 1005, 1065, 1340, 1347, 1420, 1608, 1704, 1796, 2010, 2130, 2245, 2680, 2694, 2840, 3592, 4020, 4260, 4490, 4757, 5388, 6735, 8040, 8520, 8980, 9514, 10776, 13470, 14271, 17960, 19028, 23785, 26940, 28542, 30083, 31879, 38056, 47570, 53880, 57084, 60166, 63758, 71355, 90249, 95140, 95637, 114168, 120332, 127516, 142710, 150415, 159395, 180498, 190280, 191274, 240664, 255032, 285420, 300830, 318790, 360996, 382548, 451245, 478185, 570840, 601660, 637580, 721992, 765096, 902490, 956370, 1203320, 1275160, 1804980, 1912740, 2135893, 3609960, 3825480, 4271786, 6407679, 8543572, 10679465, 12815358, 17087144, 21358930, 25630716, 32038395, 42717860, 51261432, 64076790, 85435720, 128153580, 256307160]

約数ペア:

[(1, 256307160), (2, 128153580), (3, 85435720), (4, 64076790), (5, 51261432), (6, 42717860), (8, 32038395), (10, 25630716), (12, 21358930), (15, 17087144), (20, 12815358), (24, 10679465), (30, 8543572), (40, 6407679), (60, 4271786), (67, 3825480), (71, 3609960), (120, 2135893), (134, 1912740), (142, 1804980), (201, 1275160), (213, 1203320), (268, 956370), (284, 902490), (335, 765096), (355, 721992), (402, 637580), (426, 601660), (449, 570840), (536, 478185), (568, 451245), (670, 382548), (710, 360996), (804, 318790), (852, 300830), (898, 285420), (1005, 255032), (1065, 240664), (1340, 191274), (1347, 190280), (1420, 180498), (1608, 159395), (1704, 150415), (1796, 142710), (2010, 127516), (2130, 120332), (2245, 114168), (2680, 95637), (2694, 95140), (2840, 90249), (3592, 71355), (4020, 63758), (4260, 60166), (4490, 57084), (4757, 53880), (5388, 47570), (6735, 38056), (8040, 31879), (8520, 30083), (8980, 28542), (9514, 26940), (10776, 23785), (13470, 19028), (14271, 17960)]