15800220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1439}}^1$

素因数の和:1515

約数の個数: 72

約数和(自身を含む): 48746880

約数和(自身を除く): 32946660

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, 915, 1098, 1220, 1439, 1830, 2196, 2745, 2878, 3660, 4317, 5490, 5756, 7195, 8634, 10980, 12951, 14390, 17268, 21585, 25902, 28780, 43170, 51804, 64755, 86340, 87779, 129510, 175558, 259020, 263337, 351116, 438895, 526674, 790011, 877790, 1053348, 1316685, 1580022, 1755580, 2633370, 3160044, 3950055, 5266740, 7900110, 15800220]

約数ペア:

[(1, 15800220), (2, 7900110), (3, 5266740), (4, 3950055), (5, 3160044), (6, 2633370), (9, 1755580), (10, 1580022), (12, 1316685), (15, 1053348), (18, 877790), (20, 790011), (30, 526674), (36, 438895), (45, 351116), (60, 263337), (61, 259020), (90, 175558), (122, 129510), (180, 87779), (183, 86340), (244, 64755), (305, 51804), (366, 43170), (549, 28780), (610, 25902), (732, 21585), (915, 17268), (1098, 14390), (1220, 12951), (1439, 10980), (1830, 8634), (2196, 7195), (2745, 5756), (2878, 5490), (3660, 4317)]