72170190

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1$

素因数の和:799

約数の個数: 80

約数和(自身を含む): 195758640

約数和(自身を除く): 123588450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 139, 162, 270, 278, 405, 417, 641, 695, 810, 834, 1251, 1282, 1390, 1923, 2085, 2502, 3205, 3753, 3846, 4170, 5769, 6255, 6410, 7506, 9615, 11259, 11538, 12510, 17307, 18765, 19230, 22518, 28845, 34614, 37530, 51921, 56295, 57690, 86535, 89099, 103842, 112590, 173070, 178198, 259605, 267297, 445495, 519210, 534594, 801891, 890990, 1336485, 1603782, 2405673, 2672970, 4009455, 4811346, 7217019, 8018910, 12028365, 14434038, 24056730, 36085095, 72170190]

約数ペア:

[(1, 72170190), (2, 36085095), (3, 24056730), (5, 14434038), (6, 12028365), (9, 8018910), (10, 7217019), (15, 4811346), (18, 4009455), (27, 2672970), (30, 2405673), (45, 1603782), (54, 1336485), (81, 890990), (90, 801891), (135, 534594), (139, 519210), (162, 445495), (270, 267297), (278, 259605), (405, 178198), (417, 173070), (641, 112590), (695, 103842), (810, 89099), (834, 86535), (1251, 57690), (1282, 56295), (1390, 51921), (1923, 37530), (2085, 34614), (2502, 28845), (3205, 22518), (3753, 19230), (3846, 18765), (4170, 17307), (5769, 12510), (6255, 11538), (6410, 11259), (7506, 9615)]