123559280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:108

約数の個数: 160

約数和(自身を含む): 336436800

約数和(自身を除く): 212877520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 37, 38, 40, 52, 65, 74, 76, 80, 95, 104, 130, 148, 152, 169, 185, 190, 208, 247, 260, 296, 304, 338, 370, 380, 481, 494, 520, 592, 676, 703, 740, 760, 845, 962, 988, 1040, 1235, 1352, 1406, 1480, 1520, 1690, 1924, 1976, 2197, 2405, 2470, 2704, 2812, 2960, 3211, 3380, 3515, 3848, 3952, 4394, 4810, 4940, 5624, 6253, 6422, 6760, 7030, 7696, 8788, 9139, 9620, 9880, 10985, 11248, 12506, 12844, 13520, 14060, 16055, 17576, 18278, 19240, 19760, 21970, 25012, 25688, 28120, 31265, 32110, 35152, 36556, 38480, 41743, 43940, 45695, 50024, 51376, 56240, 62530, 64220, 73112, 81289, 83486, 87880, 91390, 100048, 118807, 125060, 128440, 146224, 162578, 166972, 175760, 182780, 208715, 237614, 250120, 256880, 325156, 333944, 365560, 406445, 417430, 475228, 500240, 594035, 650312, 667888, 731120, 812890, 834860, 950456, 1188070, 1300624, 1544491, 1625780, 1669720, 1900912, 2376140, 3088982, 3251560, 3339440, 4752280, 6177964, 6503120, 7722455, 9504560, 12355928, 15444910, 24711856, 30889820, 61779640, 123559280]

約数ペア:

[(1, 123559280), (2, 61779640), (4, 30889820), (5, 24711856), (8, 15444910), (10, 12355928), (13, 9504560), (16, 7722455), (19, 6503120), (20, 6177964), (26, 4752280), (37, 3339440), (38, 3251560), (40, 3088982), (52, 2376140), (65, 1900912), (74, 1669720), (76, 1625780), (80, 1544491), (95, 1300624), (104, 1188070), (130, 950456), (148, 834860), (152, 812890), (169, 731120), (185, 667888), (190, 650312), (208, 594035), (247, 500240), (260, 475228), (296, 417430), (304, 406445), (338, 365560), (370, 333944), (380, 325156), (481, 256880), (494, 250120), (520, 237614), (592, 208715), (676, 182780), (703, 175760), (740, 166972), (760, 162578), (845, 146224), (962, 128440), (988, 125060), (1040, 118807), (1235, 100048), (1352, 91390), (1406, 87880), (1480, 83486), (1520, 81289), (1690, 73112), (1924, 64220), (1976, 62530), (2197, 56240), (2405, 51376), (2470, 50024), (2704, 45695), (2812, 43940), (2960, 41743), (3211, 38480), (3380, 36556), (3515, 35152), (3848, 32110), (3952, 31265), (4394, 28120), (4810, 25688), (4940, 25012), (5624, 21970), (6253, 19760), (6422, 19240), (6760, 18278), (7030, 17576), (7696, 16055), (8788, 14060), (9139, 13520), (9620, 12844), (9880, 12506), (10985, 11248)]