1264646640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{128521}}^1$

素因数の和:128578

約数の個数: 80

約数和(自身を含む): 4016055456

約数和(自身を除く): 2751408816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3280, 4920, 9840, 128521, 257042, 385563, 514084, 642605, 771126, 1028168, 1285210, 1542252, 1927815, 2056336, 2570420, 3084504, 3855630, 5140840, 5269361, 6169008, 7711260, 10281680, 10538722, 15422520, 15808083, 21077444, 26346805, 30845040, 31616166, 42154888, 52693610, 63232332, 79040415, 84309776, 105387220, 126464664, 158080830, 210774440, 252929328, 316161660, 421548880, 632323320, 1264646640]

約数ペア:

[(1, 1264646640), (2, 632323320), (3, 421548880), (4, 316161660), (5, 252929328), (6, 210774440), (8, 158080830), (10, 126464664), (12, 105387220), (15, 84309776), (16, 79040415), (20, 63232332), (24, 52693610), (30, 42154888), (40, 31616166), (41, 30845040), (48, 26346805), (60, 21077444), (80, 15808083), (82, 15422520), (120, 10538722), (123, 10281680), (164, 7711260), (205, 6169008), (240, 5269361), (246, 5140840), (328, 3855630), (410, 3084504), (492, 2570420), (615, 2056336), (656, 1927815), (820, 1542252), (984, 1285210), (1230, 1028168), (1640, 771126), (1968, 642605), (2460, 514084), (3280, 385563), (4920, 257042), (9840, 128521)]