66586280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{541}}^1$

素因数の和:750

約数の個数: 64

約数和(自身を含む): 159803280

約数和(自身を除く): 93217000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 181, 340, 362, 541, 680, 724, 905, 1082, 1448, 1810, 2164, 2705, 3077, 3620, 4328, 5410, 6154, 7240, 9197, 10820, 12308, 15385, 18394, 21640, 24616, 30770, 36788, 45985, 61540, 73576, 91970, 97921, 123080, 183940, 195842, 367880, 391684, 489605, 783368, 979210, 1664657, 1958420, 3329314, 3916840, 6658628, 8323285, 13317256, 16646570, 33293140, 66586280]

約数ペア:

[(1, 66586280), (2, 33293140), (4, 16646570), (5, 13317256), (8, 8323285), (10, 6658628), (17, 3916840), (20, 3329314), (34, 1958420), (40, 1664657), (68, 979210), (85, 783368), (136, 489605), (170, 391684), (181, 367880), (340, 195842), (362, 183940), (541, 123080), (680, 97921), (724, 91970), (905, 73576), (1082, 61540), (1448, 45985), (1810, 36788), (2164, 30770), (2705, 24616), (3077, 21640), (3620, 18394), (4328, 15385), (5410, 12308), (6154, 10820), (7240, 9197)]