51132720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{829}}^1$

素因数の和:1102

約数の個数: 80

約数和(自身を含む): 159320160

約数和(自身を除く): 108187440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 829, 1028, 1285, 1542, 1658, 2056, 2487, 2570, 3084, 3316, 3855, 4112, 4145, 4974, 5140, 6168, 6632, 7710, 8290, 9948, 10280, 12336, 12435, 13264, 15420, 16580, 19896, 20560, 24870, 30840, 33160, 39792, 49740, 61680, 66320, 99480, 198960, 213053, 426106, 639159, 852212, 1065265, 1278318, 1704424, 2130530, 2556636, 3195795, 3408848, 4261060, 5113272, 6391590, 8522120, 10226544, 12783180, 17044240, 25566360, 51132720]

約数ペア:

[(1, 51132720), (2, 25566360), (3, 17044240), (4, 12783180), (5, 10226544), (6, 8522120), (8, 6391590), (10, 5113272), (12, 4261060), (15, 3408848), (16, 3195795), (20, 2556636), (24, 2130530), (30, 1704424), (40, 1278318), (48, 1065265), (60, 852212), (80, 639159), (120, 426106), (240, 213053), (257, 198960), (514, 99480), (771, 66320), (829, 61680), (1028, 49740), (1285, 39792), (1542, 33160), (1658, 30840), (2056, 24870), (2487, 20560), (2570, 19896), (3084, 16580), (3316, 15420), (3855, 13264), (4112, 12435), (4145, 12336), (4974, 10280), (5140, 9948), (6168, 8290), (6632, 7710)]