64540140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4957}}^1$

素因数の和:5007

約数の個数: 96

約数和(自身を含む): 213233664

約数和(自身を除く): 148693524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 4957, 6510, 9914, 13020, 14871, 19828, 24785, 29742, 34699, 49570, 59484, 69398, 74355, 99140, 104097, 138796, 148710, 153667, 173495, 208194, 297420, 307334, 346990, 416388, 461001, 520485, 614668, 693980, 768335, 922002, 1040970, 1075669, 1536670, 1844004, 2081940, 2151338, 2305005, 3073340, 3227007, 4302676, 4610010, 5378345, 6454014, 9220020, 10756690, 12908028, 16135035, 21513380, 32270070, 64540140]

約数ペア:

[(1, 64540140), (2, 32270070), (3, 21513380), (4, 16135035), (5, 12908028), (6, 10756690), (7, 9220020), (10, 6454014), (12, 5378345), (14, 4610010), (15, 4302676), (20, 3227007), (21, 3073340), (28, 2305005), (30, 2151338), (31, 2081940), (35, 1844004), (42, 1536670), (60, 1075669), (62, 1040970), (70, 922002), (84, 768335), (93, 693980), (105, 614668), (124, 520485), (140, 461001), (155, 416388), (186, 346990), (210, 307334), (217, 297420), (310, 208194), (372, 173495), (420, 153667), (434, 148710), (465, 138796), (620, 104097), (651, 99140), (868, 74355), (930, 69398), (1085, 59484), (1302, 49570), (1860, 34699), (2170, 29742), (2604, 24785), (3255, 19828), (4340, 14871), (4957, 13020), (6510, 9914)]