8158140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 25185888

約数和(自身を除く): 17027748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 743, 915, 1098, 1220, 1486, 1830, 2196, 2229, 2745, 2972, 3660, 3715, 4458, 5490, 6687, 7430, 8916, 10980, 11145, 13374, 14860, 22290, 26748, 33435, 44580, 45323, 66870, 90646, 133740, 135969, 181292, 226615, 271938, 407907, 453230, 543876, 679845, 815814, 906460, 1359690, 1631628, 2039535, 2719380, 4079070, 8158140]

約数ペア:

[(1, 8158140), (2, 4079070), (3, 2719380), (4, 2039535), (5, 1631628), (6, 1359690), (9, 906460), (10, 815814), (12, 679845), (15, 543876), (18, 453230), (20, 407907), (30, 271938), (36, 226615), (45, 181292), (60, 135969), (61, 133740), (90, 90646), (122, 66870), (180, 45323), (183, 44580), (244, 33435), (305, 26748), (366, 22290), (549, 14860), (610, 13374), (732, 11145), (743, 10980), (915, 8916), (1098, 7430), (1220, 6687), (1486, 5490), (1830, 4458), (2196, 3715), (2229, 3660), (2745, 2972)]