279516420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{172541}}^1$

素因数の和:172562

約数の個数: 60

約数和(自身を含む): 876858444

約数和(自身を除く): 597342024

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 172541, 345082, 517623, 690164, 862705, 1035246, 1552869, 1725410, 2070492, 2588115, 3105738, 3450820, 4658607, 5176230, 6211476, 7764345, 9317214, 10352460, 13975821, 15528690, 18634428, 23293035, 27951642, 31057380, 46586070, 55903284, 69879105, 93172140, 139758210, 279516420]

約数ペア:

[(1, 279516420), (2, 139758210), (3, 93172140), (4, 69879105), (5, 55903284), (6, 46586070), (9, 31057380), (10, 27951642), (12, 23293035), (15, 18634428), (18, 15528690), (20, 13975821), (27, 10352460), (30, 9317214), (36, 7764345), (45, 6211476), (54, 5176230), (60, 4658607), (81, 3450820), (90, 3105738), (108, 2588115), (135, 2070492), (162, 1725410), (180, 1552869), (270, 1035246), (324, 862705), (405, 690164), (540, 517623), (810, 345082), (1620, 172541)]