420971940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2039}}^1$

素因数の和:2122

約数の個数: 144

約数和(自身を含む): 1354429440

約数和(自身を除く): 933457500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 37, 45, 60, 62, 74, 90, 93, 111, 124, 148, 155, 180, 185, 186, 222, 279, 310, 333, 370, 372, 444, 465, 555, 558, 620, 666, 740, 930, 1110, 1116, 1147, 1332, 1395, 1665, 1860, 2039, 2220, 2294, 2790, 3330, 3441, 4078, 4588, 5580, 5735, 6117, 6660, 6882, 8156, 10195, 10323, 11470, 12234, 13764, 17205, 18351, 20390, 20646, 22940, 24468, 30585, 34410, 36702, 40780, 41292, 51615, 61170, 63209, 68820, 73404, 75443, 91755, 103230, 122340, 126418, 150886, 183510, 189627, 206460, 226329, 252836, 301772, 316045, 367020, 377215, 379254, 452658, 568881, 632090, 678987, 754430, 758508, 905316, 948135, 1131645, 1137762, 1264180, 1357974, 1508860, 1896270, 2263290, 2275524, 2338733, 2715948, 2844405, 3394935, 3792540, 4526580, 4677466, 5688810, 6789870, 7016199, 9354932, 11377620, 11693665, 13579740, 14032398, 21048597, 23387330, 28064796, 35080995, 42097194, 46774660, 70161990, 84194388, 105242985, 140323980, 210485970, 420971940]

約数ペア:

[(1, 420971940), (2, 210485970), (3, 140323980), (4, 105242985), (5, 84194388), (6, 70161990), (9, 46774660), (10, 42097194), (12, 35080995), (15, 28064796), (18, 23387330), (20, 21048597), (30, 14032398), (31, 13579740), (36, 11693665), (37, 11377620), (45, 9354932), (60, 7016199), (62, 6789870), (74, 5688810), (90, 4677466), (93, 4526580), (111, 3792540), (124, 3394935), (148, 2844405), (155, 2715948), (180, 2338733), (185, 2275524), (186, 2263290), (222, 1896270), (279, 1508860), (310, 1357974), (333, 1264180), (370, 1137762), (372, 1131645), (444, 948135), (465, 905316), (555, 758508), (558, 754430), (620, 678987), (666, 632090), (740, 568881), (930, 452658), (1110, 379254), (1116, 377215), (1147, 367020), (1332, 316045), (1395, 301772), (1665, 252836), (1860, 226329), (2039, 206460), (2220, 189627), (2294, 183510), (2790, 150886), (3330, 126418), (3441, 122340), (4078, 103230), (4588, 91755), (5580, 75443), (5735, 73404), (6117, 68820), (6660, 63209), (6882, 61170), (8156, 51615), (10195, 41292), (10323, 40780), (11470, 36702), (12234, 34410), (13764, 30585), (17205, 24468), (18351, 22940), (20390, 20646)]