51052019940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{640231}}^1$

素因数の和:640689

約数の個数: 72

約数和(自身を含む): 155207602368

約数和(自身を除く): 104155582428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443, 886, 1329, 1772, 2215, 2658, 3987, 4430, 5316, 6645, 7974, 8860, 13290, 15948, 19935, 26580, 39870, 79740, 640231, 1280462, 1920693, 2560924, 3201155, 3841386, 5762079, 6402310, 7682772, 9603465, 11524158, 12804620, 19206930, 23048316, 28810395, 38413860, 57620790, 115241580, 283622333, 567244666, 850866999, 1134489332, 1418111665, 1701733998, 2552600997, 2836223330, 3403467996, 4254334995, 5105201994, 5672446660, 8508669990, 10210403988, 12763004985, 17017339980, 25526009970, 51052019940]

約数ペア:

[(1, 51052019940), (2, 25526009970), (3, 17017339980), (4, 12763004985), (5, 10210403988), (6, 8508669990), (9, 5672446660), (10, 5105201994), (12, 4254334995), (15, 3403467996), (18, 2836223330), (20, 2552600997), (30, 1701733998), (36, 1418111665), (45, 1134489332), (60, 850866999), (90, 567244666), (180, 283622333), (443, 115241580), (886, 57620790), (1329, 38413860), (1772, 28810395), (2215, 23048316), (2658, 19206930), (3987, 12804620), (4430, 11524158), (5316, 9603465), (6645, 7682772), (7974, 6402310), (8860, 5762079), (13290, 3841386), (15948, 3201155), (19935, 2560924), (26580, 1920693), (39870, 1280462), (79740, 640231)]