2471940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 7757568

約数和(自身を除く): 5285628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 443, 465, 558, 620, 886, 930, 1116, 1329, 1395, 1772, 1860, 2215, 2658, 2790, 3987, 4430, 5316, 5580, 6645, 7974, 8860, 13290, 13733, 15948, 19935, 26580, 27466, 39870, 41199, 54932, 68665, 79740, 82398, 123597, 137330, 164796, 205995, 247194, 274660, 411990, 494388, 617985, 823980, 1235970, 2471940]

約数ペア:

[(1, 2471940), (2, 1235970), (3, 823980), (4, 617985), (5, 494388), (6, 411990), (9, 274660), (10, 247194), (12, 205995), (15, 164796), (18, 137330), (20, 123597), (30, 82398), (31, 79740), (36, 68665), (45, 54932), (60, 41199), (62, 39870), (90, 27466), (93, 26580), (124, 19935), (155, 15948), (180, 13733), (186, 13290), (279, 8860), (310, 7974), (372, 6645), (443, 5580), (465, 5316), (558, 4430), (620, 3987), (886, 2790), (930, 2658), (1116, 2215), (1329, 1860), (1395, 1772)]