128621160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{357281}}^1$

素因数の和:357298

約数の個数: 48

約数和(自身を含む): 418019940

約数和(自身を除く): 289398780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 357281, 714562, 1071843, 1429124, 1786405, 2143686, 2858248, 3215529, 3572810, 4287372, 5359215, 6431058, 7145620, 8574744, 10718430, 12862116, 14291240, 16077645, 21436860, 25724232, 32155290, 42873720, 64310580, 128621160]

約数ペア:

[(1, 128621160), (2, 64310580), (3, 42873720), (4, 32155290), (5, 25724232), (6, 21436860), (8, 16077645), (9, 14291240), (10, 12862116), (12, 10718430), (15, 8574744), (18, 7145620), (20, 6431058), (24, 5359215), (30, 4287372), (36, 3572810), (40, 3215529), (45, 2858248), (60, 2143686), (72, 1786405), (90, 1429124), (120, 1071843), (180, 714562), (360, 357281)]