81322680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16529}}^1$

素因数の和:16584

約数の個数: 64

約数和(自身を含む): 249933600

約数和(自身を除く): 168610920

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, 16529, 33058, 49587, 66116, 82645, 99174, 132232, 165290, 198348, 247935, 330580, 396696, 495870, 661160, 677689, 991740, 1355378, 1983480, 2033067, 2710756, 3388445, 4066134, 5421512, 6776890, 8132268, 10165335, 13553780, 16264536, 20330670, 27107560, 40661340, 81322680]

約数ペア:

[(1, 81322680), (2, 40661340), (3, 27107560), (4, 20330670), (5, 16264536), (6, 13553780), (8, 10165335), (10, 8132268), (12, 6776890), (15, 5421512), (20, 4066134), (24, 3388445), (30, 2710756), (40, 2033067), (41, 1983480), (60, 1355378), (82, 991740), (120, 677689), (123, 661160), (164, 495870), (205, 396696), (246, 330580), (328, 247935), (410, 198348), (492, 165290), (615, 132232), (820, 99174), (984, 82645), (1230, 66116), (1640, 49587), (2460, 33058), (4920, 16529)]