200720970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23981}}^1$

素因数の和:24028

約数の個数: 64

約数和(自身を含む): 552545280

約数和(自身を除く): 351824310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 837, 930, 1395, 1674, 2790, 4185, 8370, 23981, 47962, 71943, 119905, 143886, 215829, 239810, 359715, 431658, 647487, 719430, 743411, 1079145, 1294974, 1486822, 2158290, 2230233, 3237435, 3717055, 4460466, 6474870, 6690699, 7434110, 11151165, 13381398, 20072097, 22302330, 33453495, 40144194, 66906990, 100360485, 200720970]

約数ペア:

[(1, 200720970), (2, 100360485), (3, 66906990), (5, 40144194), (6, 33453495), (9, 22302330), (10, 20072097), (15, 13381398), (18, 11151165), (27, 7434110), (30, 6690699), (31, 6474870), (45, 4460466), (54, 3717055), (62, 3237435), (90, 2230233), (93, 2158290), (135, 1486822), (155, 1294974), (186, 1079145), (270, 743411), (279, 719430), (310, 647487), (465, 431658), (558, 359715), (837, 239810), (930, 215829), (1395, 143886), (1674, 119905), (2790, 71943), (4185, 47962), (8370, 23981)]