72821520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{101141}}^1$

素因数の和:101160

約数の個数: 60

約数和(自身を含む): 244561356

約数和(自身を除く): 171739836

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 101141, 202282, 303423, 404564, 505705, 606846, 809128, 910269, 1011410, 1213692, 1517115, 1618256, 1820538, 2022820, 2427384, 3034230, 3641076, 4045640, 4551345, 4854768, 6068460, 7282152, 8091280, 9102690, 12136920, 14564304, 18205380, 24273840, 36410760, 72821520]

約数ペア:

[(1, 72821520), (2, 36410760), (3, 24273840), (4, 18205380), (5, 14564304), (6, 12136920), (8, 9102690), (9, 8091280), (10, 7282152), (12, 6068460), (15, 4854768), (16, 4551345), (18, 4045640), (20, 3641076), (24, 3034230), (30, 2427384), (36, 2022820), (40, 1820538), (45, 1618256), (48, 1517115), (60, 1213692), (72, 1011410), (80, 910269), (90, 809128), (120, 606846), (144, 505705), (180, 404564), (240, 303423), (360, 202282), (720, 101141)]