31345320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 100880640

約数和(自身を除く): 69535320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 41, 46, 60, 69, 82, 92, 115, 120, 123, 138, 164, 184, 205, 230, 246, 276, 277, 328, 345, 410, 460, 492, 552, 554, 615, 690, 820, 831, 920, 943, 984, 1108, 1230, 1380, 1385, 1640, 1662, 1886, 2216, 2460, 2760, 2770, 2829, 3324, 3772, 4155, 4715, 4920, 5540, 5658, 6371, 6648, 7544, 8310, 9430, 11080, 11316, 11357, 12742, 14145, 16620, 18860, 19113, 22632, 22714, 25484, 28290, 31855, 33240, 34071, 37720, 38226, 45428, 50968, 56580, 56785, 63710, 68142, 76452, 90856, 95565, 113160, 113570, 127420, 136284, 152904, 170355, 191130, 227140, 254840, 261211, 272568, 340710, 382260, 454280, 522422, 681420, 764520, 783633, 1044844, 1306055, 1362840, 1567266, 2089688, 2612110, 3134532, 3918165, 5224220, 6269064, 7836330, 10448440, 15672660, 31345320]

約数ペア:

[(1, 31345320), (2, 15672660), (3, 10448440), (4, 7836330), (5, 6269064), (6, 5224220), (8, 3918165), (10, 3134532), (12, 2612110), (15, 2089688), (20, 1567266), (23, 1362840), (24, 1306055), (30, 1044844), (40, 783633), (41, 764520), (46, 681420), (60, 522422), (69, 454280), (82, 382260), (92, 340710), (115, 272568), (120, 261211), (123, 254840), (138, 227140), (164, 191130), (184, 170355), (205, 152904), (230, 136284), (246, 127420), (276, 113570), (277, 113160), (328, 95565), (345, 90856), (410, 76452), (460, 68142), (492, 63710), (552, 56785), (554, 56580), (615, 50968), (690, 45428), (820, 38226), (831, 37720), (920, 34071), (943, 33240), (984, 31855), (1108, 28290), (1230, 25484), (1380, 22714), (1385, 22632), (1640, 19113), (1662, 18860), (1886, 16620), (2216, 14145), (2460, 12742), (2760, 11357), (2770, 11316), (2829, 11080), (3324, 9430), (3772, 8310), (4155, 7544), (4715, 6648), (4920, 6371), (5540, 5658)]