399321960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{81163}}^1$

素因数の和:81218

約数の個数: 64

約数和(自身を含む): 1227199680

約数和(自身を除く): 827877720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4920, 81163, 162326, 243489, 324652, 405815, 486978, 649304, 811630, 973956, 1217445, 1623260, 1947912, 2434890, 3246520, 3327683, 4869780, 6655366, 9739560, 9983049, 13310732, 16638415, 19966098, 26621464, 33276830, 39932196, 49915245, 66553660, 79864392, 99830490, 133107320, 199660980, 399321960]

約数ペア:

[(1, 399321960), (2, 199660980), (3, 133107320), (4, 99830490), (5, 79864392), (6, 66553660), (8, 49915245), (10, 39932196), (12, 33276830), (15, 26621464), (20, 19966098), (24, 16638415), (30, 13310732), (40, 9983049), (41, 9739560), (60, 6655366), (82, 4869780), (120, 3327683), (123, 3246520), (164, 2434890), (205, 1947912), (246, 1623260), (328, 1217445), (410, 973956), (492, 811630), (615, 649304), (820, 486978), (984, 405815), (1230, 324652), (1640, 243489), (2460, 162326), (4920, 81163)]