2280520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 5754240

約数和(自身を除く): 3473720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 73, 88, 110, 142, 146, 220, 284, 292, 355, 365, 440, 568, 584, 710, 730, 781, 803, 1420, 1460, 1562, 1606, 2840, 2920, 3124, 3212, 3905, 4015, 5183, 6248, 6424, 7810, 8030, 10366, 15620, 16060, 20732, 25915, 31240, 32120, 41464, 51830, 57013, 103660, 114026, 207320, 228052, 285065, 456104, 570130, 1140260, 2280520]

約数ペア:

[(1, 2280520), (2, 1140260), (4, 570130), (5, 456104), (8, 285065), (10, 228052), (11, 207320), (20, 114026), (22, 103660), (40, 57013), (44, 51830), (55, 41464), (71, 32120), (73, 31240), (88, 25915), (110, 20732), (142, 16060), (146, 15620), (220, 10366), (284, 8030), (292, 7810), (355, 6424), (365, 6248), (440, 5183), (568, 4015), (584, 3905), (710, 3212), (730, 3124), (781, 2920), (803, 2840), (1420, 1606), (1460, 1562)]