1797720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 5495040

約数和(自身を除く): 3697320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 211, 213, 284, 355, 422, 426, 568, 633, 710, 844, 852, 1055, 1065, 1266, 1420, 1688, 1704, 2110, 2130, 2532, 2840, 3165, 4220, 4260, 5064, 6330, 8440, 8520, 12660, 14981, 25320, 29962, 44943, 59924, 74905, 89886, 119848, 149810, 179772, 224715, 299620, 359544, 449430, 599240, 898860, 1797720]

約数ペア:

[(1, 1797720), (2, 898860), (3, 599240), (4, 449430), (5, 359544), (6, 299620), (8, 224715), (10, 179772), (12, 149810), (15, 119848), (20, 89886), (24, 74905), (30, 59924), (40, 44943), (60, 29962), (71, 25320), (120, 14981), (142, 12660), (211, 8520), (213, 8440), (284, 6330), (355, 5064), (422, 4260), (426, 4220), (568, 3165), (633, 2840), (710, 2532), (844, 2130), (852, 2110), (1055, 1704), (1065, 1688), (1266, 1420)]