1277905560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{7309}}^1$

素因数の和:7401

約数の個数: 128

約数和(自身を含む): 4042137600

約数和(自身を除く): 2764232040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 47, 60, 62, 93, 94, 120, 124, 141, 155, 186, 188, 235, 248, 282, 310, 372, 376, 465, 470, 564, 620, 705, 744, 930, 940, 1128, 1240, 1410, 1457, 1860, 1880, 2820, 2914, 3720, 4371, 5640, 5828, 7285, 7309, 8742, 11656, 14570, 14618, 17484, 21855, 21927, 29140, 29236, 34968, 36545, 43710, 43854, 58280, 58472, 73090, 87420, 87708, 109635, 146180, 174840, 175416, 219270, 226579, 292360, 343523, 438540, 453158, 679737, 687046, 877080, 906316, 1030569, 1132895, 1359474, 1374092, 1717615, 1812632, 2061138, 2265790, 2718948, 2748184, 3398685, 3435230, 4122276, 4531580, 5152845, 5437896, 6797370, 6870460, 8244552, 9063160, 10305690, 10649213, 13594740, 13740920, 20611380, 21298426, 27189480, 31947639, 41222760, 42596852, 53246065, 63895278, 85193704, 106492130, 127790556, 159738195, 212984260, 255581112, 319476390, 425968520, 638952780, 1277905560]

約数ペア:

[(1, 1277905560), (2, 638952780), (3, 425968520), (4, 319476390), (5, 255581112), (6, 212984260), (8, 159738195), (10, 127790556), (12, 106492130), (15, 85193704), (20, 63895278), (24, 53246065), (30, 42596852), (31, 41222760), (40, 31947639), (47, 27189480), (60, 21298426), (62, 20611380), (93, 13740920), (94, 13594740), (120, 10649213), (124, 10305690), (141, 9063160), (155, 8244552), (186, 6870460), (188, 6797370), (235, 5437896), (248, 5152845), (282, 4531580), (310, 4122276), (372, 3435230), (376, 3398685), (465, 2748184), (470, 2718948), (564, 2265790), (620, 2061138), (705, 1812632), (744, 1717615), (930, 1374092), (940, 1359474), (1128, 1132895), (1240, 1030569), (1410, 906316), (1457, 877080), (1860, 687046), (1880, 679737), (2820, 453158), (2914, 438540), (3720, 343523), (4371, 292360), (5640, 226579), (5828, 219270), (7285, 175416), (7309, 174840), (8742, 146180), (11656, 109635), (14570, 87708), (14618, 87420), (17484, 73090), (21855, 58472), (21927, 58280), (29140, 43854), (29236, 43710), (34968, 36545)]