204578520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1065

約数の個数: 128

約数和(自身を含む): 643991040

約数和(自身を除く): 439412520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 43, 60, 82, 86, 120, 123, 129, 164, 172, 205, 215, 246, 258, 328, 344, 410, 430, 492, 516, 615, 645, 820, 860, 967, 984, 1032, 1230, 1290, 1640, 1720, 1763, 1934, 2460, 2580, 2901, 3526, 3868, 4835, 4920, 5160, 5289, 5802, 7052, 7736, 8815, 9670, 10578, 11604, 14104, 14505, 17630, 19340, 21156, 23208, 26445, 29010, 35260, 38680, 39647, 41581, 42312, 52890, 58020, 70520, 79294, 83162, 105780, 116040, 118941, 124743, 158588, 166324, 198235, 207905, 211560, 237882, 249486, 317176, 332648, 396470, 415810, 475764, 498972, 594705, 623715, 792940, 831620, 951528, 997944, 1189410, 1247430, 1585880, 1663240, 1704821, 2378820, 2494860, 3409642, 4757640, 4989720, 5114463, 6819284, 8524105, 10228926, 13638568, 17048210, 20457852, 25572315, 34096420, 40915704, 51144630, 68192840, 102289260, 204578520]

約数ペア:

[(1, 204578520), (2, 102289260), (3, 68192840), (4, 51144630), (5, 40915704), (6, 34096420), (8, 25572315), (10, 20457852), (12, 17048210), (15, 13638568), (20, 10228926), (24, 8524105), (30, 6819284), (40, 5114463), (41, 4989720), (43, 4757640), (60, 3409642), (82, 2494860), (86, 2378820), (120, 1704821), (123, 1663240), (129, 1585880), (164, 1247430), (172, 1189410), (205, 997944), (215, 951528), (246, 831620), (258, 792940), (328, 623715), (344, 594705), (410, 498972), (430, 475764), (492, 415810), (516, 396470), (615, 332648), (645, 317176), (820, 249486), (860, 237882), (967, 211560), (984, 207905), (1032, 198235), (1230, 166324), (1290, 158588), (1640, 124743), (1720, 118941), (1763, 116040), (1934, 105780), (2460, 83162), (2580, 79294), (2901, 70520), (3526, 58020), (3868, 52890), (4835, 42312), (4920, 41581), (5160, 39647), (5289, 38680), (5802, 35260), (7052, 29010), (7736, 26445), (8815, 23208), (9670, 21156), (10578, 19340), (11604, 17630), (14104, 14505)]