215281680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{897007}}^1$

素因数の和:897023

約数の個数: 40

約数和(自身を含む): 667373952

約数和(自身を除く): 452092272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 897007, 1794014, 2691021, 3588028, 4485035, 5382042, 7176056, 8970070, 10764084, 13455105, 14352112, 17940140, 21528168, 26910210, 35880280, 43056336, 53820420, 71760560, 107640840, 215281680]

約数ペア:

[(1, 215281680), (2, 107640840), (3, 71760560), (4, 53820420), (5, 43056336), (6, 35880280), (8, 26910210), (10, 21528168), (12, 17940140), (15, 14352112), (16, 13455105), (20, 10764084), (24, 8970070), (30, 7176056), (40, 5382042), (48, 4485035), (60, 3588028), (80, 2691021), (120, 1794014), (240, 897007)]