255559560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:591

約数の個数: 128

約数和(自身を含む): 793497600

約数和(自身を除く): 537938040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 127, 164, 205, 246, 254, 328, 381, 409, 410, 492, 508, 615, 635, 762, 818, 820, 984, 1016, 1227, 1230, 1270, 1524, 1636, 1640, 1905, 2045, 2454, 2460, 2540, 3048, 3272, 3810, 4090, 4908, 4920, 5080, 5207, 6135, 7620, 8180, 9816, 10414, 12270, 15240, 15621, 16360, 16769, 20828, 24540, 26035, 31242, 33538, 41656, 49080, 50307, 51943, 52070, 62484, 67076, 78105, 83845, 100614, 103886, 104140, 124968, 134152, 155829, 156210, 167690, 201228, 207772, 208280, 251535, 259715, 311658, 312420, 335380, 402456, 415544, 503070, 519430, 623316, 624840, 670760, 779145, 1006140, 1038860, 1246632, 1558290, 2012280, 2077720, 2129663, 3116580, 4259326, 6233160, 6388989, 8518652, 10648315, 12777978, 17037304, 21296630, 25555956, 31944945, 42593260, 51111912, 63889890, 85186520, 127779780, 255559560]

約数ペア:

[(1, 255559560), (2, 127779780), (3, 85186520), (4, 63889890), (5, 51111912), (6, 42593260), (8, 31944945), (10, 25555956), (12, 21296630), (15, 17037304), (20, 12777978), (24, 10648315), (30, 8518652), (40, 6388989), (41, 6233160), (60, 4259326), (82, 3116580), (120, 2129663), (123, 2077720), (127, 2012280), (164, 1558290), (205, 1246632), (246, 1038860), (254, 1006140), (328, 779145), (381, 670760), (409, 624840), (410, 623316), (492, 519430), (508, 503070), (615, 415544), (635, 402456), (762, 335380), (818, 312420), (820, 311658), (984, 259715), (1016, 251535), (1227, 208280), (1230, 207772), (1270, 201228), (1524, 167690), (1636, 156210), (1640, 155829), (1905, 134152), (2045, 124968), (2454, 104140), (2460, 103886), (2540, 100614), (3048, 83845), (3272, 78105), (3810, 67076), (4090, 62484), (4908, 52070), (4920, 51943), (5080, 50307), (5207, 49080), (6135, 41656), (7620, 33538), (8180, 31242), (9816, 26035), (10414, 24540), (12270, 20828), (15240, 16769), (15621, 16360)]