261279040

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{373}}^1$

素因数の和:600

約数の個数: 112

約数和(自身を含む): 683971200

約数和(自身を除く): 422692160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 199, 220, 320, 352, 373, 398, 440, 704, 746, 796, 880, 995, 1492, 1592, 1760, 1865, 1990, 2189, 2984, 3184, 3520, 3730, 3980, 4103, 4378, 5968, 6368, 7460, 7960, 8206, 8756, 10945, 11936, 12736, 14920, 15920, 16412, 17512, 20515, 21890, 23872, 29840, 31840, 32824, 35024, 41030, 43780, 59680, 63680, 65648, 70048, 74227, 82060, 87560, 119360, 131296, 140096, 148454, 164120, 175120, 262592, 296908, 328240, 350240, 371135, 593816, 656480, 700480, 742270, 816497, 1187632, 1312960, 1484540, 1632994, 2375264, 2969080, 3265988, 4082485, 4750528, 5938160, 6531976, 8164970, 11876320, 13063952, 16329940, 23752640, 26127904, 32659880, 52255808, 65319760, 130639520, 261279040]

約数ペア:

[(1, 261279040), (2, 130639520), (4, 65319760), (5, 52255808), (8, 32659880), (10, 26127904), (11, 23752640), (16, 16329940), (20, 13063952), (22, 11876320), (32, 8164970), (40, 6531976), (44, 5938160), (55, 4750528), (64, 4082485), (80, 3265988), (88, 2969080), (110, 2375264), (160, 1632994), (176, 1484540), (199, 1312960), (220, 1187632), (320, 816497), (352, 742270), (373, 700480), (398, 656480), (440, 593816), (704, 371135), (746, 350240), (796, 328240), (880, 296908), (995, 262592), (1492, 175120), (1592, 164120), (1760, 148454), (1865, 140096), (1990, 131296), (2189, 119360), (2984, 87560), (3184, 82060), (3520, 74227), (3730, 70048), (3980, 65648), (4103, 63680), (4378, 59680), (5968, 43780), (6368, 41030), (7460, 35024), (7960, 32824), (8206, 31840), (8756, 29840), (10945, 23872), (11936, 21890), (12736, 20515), (14920, 17512), (15920, 16412)]