660903660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{78121}}^1$

素因数の和:78183

約数の個数: 72

約数和(自身を含む): 2047421376

約数和(自身を除く): 1386517716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 78121, 156242, 234363, 312484, 390605, 468726, 703089, 781210, 937452, 1171815, 1406178, 1562420, 2343630, 2812356, 3515445, 3671687, 4687260, 7030890, 7343374, 11015061, 14061780, 14686748, 18358435, 22030122, 33045183, 36716870, 44060244, 55075305, 66090366, 73433740, 110150610, 132180732, 165225915, 220301220, 330451830, 660903660]

約数ペア:

[(1, 660903660), (2, 330451830), (3, 220301220), (4, 165225915), (5, 132180732), (6, 110150610), (9, 73433740), (10, 66090366), (12, 55075305), (15, 44060244), (18, 36716870), (20, 33045183), (30, 22030122), (36, 18358435), (45, 14686748), (47, 14061780), (60, 11015061), (90, 7343374), (94, 7030890), (141, 4687260), (180, 3671687), (188, 3515445), (235, 2812356), (282, 2343630), (423, 1562420), (470, 1406178), (564, 1171815), (705, 937452), (846, 781210), (940, 703089), (1410, 468726), (1692, 390605), (2115, 312484), (2820, 234363), (4230, 156242), (8460, 78121)]