64905570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{571}}^1$

素因数の和:1008

約数の個数: 64

約数和(自身を含む): 173796480

約数和(自身を除く): 108890910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 421, 571, 842, 1142, 1263, 1713, 2105, 2526, 2855, 3426, 3789, 4210, 5139, 5710, 6315, 7578, 8565, 10278, 11367, 12630, 15417, 17130, 18945, 22734, 25695, 30834, 37890, 51390, 56835, 77085, 113670, 154170, 240391, 480782, 721173, 1201955, 1442346, 2163519, 2403910, 3605865, 4327038, 6490557, 7211730, 10817595, 12981114, 21635190, 32452785, 64905570]

約数ペア:

[(1, 64905570), (2, 32452785), (3, 21635190), (5, 12981114), (6, 10817595), (9, 7211730), (10, 6490557), (15, 4327038), (18, 3605865), (27, 2403910), (30, 2163519), (45, 1442346), (54, 1201955), (90, 721173), (135, 480782), (270, 240391), (421, 154170), (571, 113670), (842, 77085), (1142, 56835), (1263, 51390), (1713, 37890), (2105, 30834), (2526, 25695), (2855, 22734), (3426, 18945), (3789, 17130), (4210, 15417), (5139, 12630), (5710, 11367), (6315, 10278), (7578, 8565)]