30278320

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 75352320

約数和(自身を除く): 45074000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 421, 464, 496, 580, 620, 842, 899, 1160, 1240, 1684, 1798, 2105, 2320, 2480, 3368, 3596, 4210, 4495, 6736, 7192, 8420, 8990, 12209, 13051, 14384, 16840, 17980, 24418, 26102, 33680, 35960, 48836, 52204, 61045, 65255, 71920, 97672, 104408, 122090, 130510, 195344, 208816, 244180, 261020, 378479, 488360, 522040, 756958, 976720, 1044080, 1513916, 1892395, 3027832, 3784790, 6055664, 7569580, 15139160, 30278320]

約数ペア:

[(1, 30278320), (2, 15139160), (4, 7569580), (5, 6055664), (8, 3784790), (10, 3027832), (16, 1892395), (20, 1513916), (29, 1044080), (31, 976720), (40, 756958), (58, 522040), (62, 488360), (80, 378479), (116, 261020), (124, 244180), (145, 208816), (155, 195344), (232, 130510), (248, 122090), (290, 104408), (310, 97672), (421, 71920), (464, 65255), (496, 61045), (580, 52204), (620, 48836), (842, 35960), (899, 33680), (1160, 26102), (1240, 24418), (1684, 17980), (1798, 16840), (2105, 14384), (2320, 13051), (2480, 12209), (3368, 8990), (3596, 8420), (4210, 7192), (4495, 6736)]