204979440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27551}}^1$

素因数の和:27598

約数の個数: 80

約数和(自身を含む): 655958016

約数和(自身を除く): 450978576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 27551, 55102, 82653, 110204, 137755, 165306, 220408, 275510, 330612, 413265, 440816, 551020, 661224, 826530, 854081, 1102040, 1322448, 1653060, 1708162, 2204080, 2562243, 3306120, 3416324, 4270405, 5124486, 6612240, 6832648, 8540810, 10248972, 12811215, 13665296, 17081620, 20497944, 25622430, 34163240, 40995888, 51244860, 68326480, 102489720, 204979440]

約数ペア:

[(1, 204979440), (2, 102489720), (3, 68326480), (4, 51244860), (5, 40995888), (6, 34163240), (8, 25622430), (10, 20497944), (12, 17081620), (15, 13665296), (16, 12811215), (20, 10248972), (24, 8540810), (30, 6832648), (31, 6612240), (40, 5124486), (48, 4270405), (60, 3416324), (62, 3306120), (80, 2562243), (93, 2204080), (120, 1708162), (124, 1653060), (155, 1322448), (186, 1102040), (240, 854081), (248, 826530), (310, 661224), (372, 551020), (465, 440816), (496, 413265), (620, 330612), (744, 275510), (930, 220408), (1240, 165306), (1488, 137755), (1860, 110204), (2480, 82653), (3720, 55102), (7440, 27551)]