90492080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{571}}^1$

素因数の和:874

約数の個数: 80

約数和(自身を含む): 241722624

約数和(自身を除く): 151230544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 283, 560, 566, 571, 1132, 1142, 1415, 1981, 2264, 2284, 2830, 2855, 3962, 3997, 4528, 4568, 5660, 5710, 7924, 7994, 9136, 9905, 11320, 11420, 15848, 15988, 19810, 19985, 22640, 22840, 31696, 31976, 39620, 39970, 45680, 63952, 79240, 79940, 158480, 159880, 161593, 319760, 323186, 646372, 807965, 1131151, 1292744, 1615930, 2262302, 2585488, 3231860, 4524604, 5655755, 6463720, 9049208, 11311510, 12927440, 18098416, 22623020, 45246040, 90492080]

約数ペア:

[(1, 90492080), (2, 45246040), (4, 22623020), (5, 18098416), (7, 12927440), (8, 11311510), (10, 9049208), (14, 6463720), (16, 5655755), (20, 4524604), (28, 3231860), (35, 2585488), (40, 2262302), (56, 1615930), (70, 1292744), (80, 1131151), (112, 807965), (140, 646372), (280, 323186), (283, 319760), (560, 161593), (566, 159880), (571, 158480), (1132, 79940), (1142, 79240), (1415, 63952), (1981, 45680), (2264, 39970), (2284, 39620), (2830, 31976), (2855, 31696), (3962, 22840), (3997, 22640), (4528, 19985), (4568, 19810), (5660, 15988), (5710, 15848), (7924, 11420), (7994, 11320), (9136, 9905)]