15101520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 54639360

約数和(自身を除く): 39537840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 89, 101, 105, 112, 120, 140, 168, 178, 202, 210, 240, 267, 280, 303, 336, 356, 404, 420, 445, 505, 534, 560, 606, 623, 707, 712, 808, 840, 890, 1010, 1068, 1212, 1246, 1335, 1414, 1424, 1515, 1616, 1680, 1780, 1869, 2020, 2121, 2136, 2424, 2492, 2670, 2828, 3030, 3115, 3535, 3560, 3738, 4040, 4242, 4272, 4848, 4984, 5340, 5656, 6060, 6230, 7070, 7120, 7476, 8080, 8484, 8989, 9345, 9968, 10605, 10680, 11312, 12120, 12460, 14140, 14952, 16968, 17978, 18690, 21210, 21360, 24240, 24920, 26967, 28280, 29904, 33936, 35956, 37380, 42420, 44945, 49840, 53934, 56560, 62923, 71912, 74760, 84840, 89890, 107868, 125846, 134835, 143824, 149520, 169680, 179780, 188769, 215736, 251692, 269670, 314615, 359560, 377538, 431472, 503384, 539340, 629230, 719120, 755076, 943845, 1006768, 1078680, 1258460, 1510152, 1887690, 2157360, 2516920, 3020304, 3775380, 5033840, 7550760, 15101520]

約数ペア:

[(1, 15101520), (2, 7550760), (3, 5033840), (4, 3775380), (5, 3020304), (6, 2516920), (7, 2157360), (8, 1887690), (10, 1510152), (12, 1258460), (14, 1078680), (15, 1006768), (16, 943845), (20, 755076), (21, 719120), (24, 629230), (28, 539340), (30, 503384), (35, 431472), (40, 377538), (42, 359560), (48, 314615), (56, 269670), (60, 251692), (70, 215736), (80, 188769), (84, 179780), (89, 169680), (101, 149520), (105, 143824), (112, 134835), (120, 125846), (140, 107868), (168, 89890), (178, 84840), (202, 74760), (210, 71912), (240, 62923), (267, 56560), (280, 53934), (303, 49840), (336, 44945), (356, 42420), (404, 37380), (420, 35956), (445, 33936), (505, 29904), (534, 28280), (560, 26967), (606, 24920), (623, 24240), (707, 21360), (712, 21210), (808, 18690), (840, 17978), (890, 16968), (1010, 14952), (1068, 14140), (1212, 12460), (1246, 12120), (1335, 11312), (1414, 10680), (1424, 10605), (1515, 9968), (1616, 9345), (1680, 8989), (1780, 8484), (1869, 8080), (2020, 7476), (2121, 7120), (2136, 7070), (2424, 6230), (2492, 6060), (2670, 5656), (2828, 5340), (3030, 4984), (3115, 4848), (3535, 4272), (3560, 4242), (3738, 4040)]