1321458560

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{839}}^1$

素因数の和:988

約数の個数: 128

約数和(自身を含む): 3331238400

約数和(自身を除く): 2009779840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 107, 115, 128, 160, 184, 214, 230, 320, 368, 428, 460, 535, 640, 736, 839, 856, 920, 1070, 1472, 1678, 1712, 1840, 2140, 2461, 2944, 3356, 3424, 3680, 4195, 4280, 4922, 6712, 6848, 7360, 8390, 8560, 9844, 12305, 13424, 13696, 14720, 16780, 17120, 19297, 19688, 24610, 26848, 33560, 34240, 38594, 39376, 49220, 53696, 67120, 68480, 77188, 78752, 89773, 96485, 98440, 107392, 134240, 154376, 157504, 179546, 192970, 196880, 268480, 308752, 315008, 359092, 385940, 393760, 448865, 536960, 617504, 718184, 771880, 787520, 897730, 1235008, 1436368, 1543760, 1575040, 1795460, 2064779, 2470016, 2872736, 3087520, 3590920, 4129558, 5745472, 6175040, 7181840, 8259116, 10323895, 11490944, 12350080, 14363680, 16518232, 20647790, 28727360, 33036464, 41295580, 57454720, 66072928, 82591160, 132145856, 165182320, 264291712, 330364640, 660729280, 1321458560]

約数ペア:

[(1, 1321458560), (2, 660729280), (4, 330364640), (5, 264291712), (8, 165182320), (10, 132145856), (16, 82591160), (20, 66072928), (23, 57454720), (32, 41295580), (40, 33036464), (46, 28727360), (64, 20647790), (80, 16518232), (92, 14363680), (107, 12350080), (115, 11490944), (128, 10323895), (160, 8259116), (184, 7181840), (214, 6175040), (230, 5745472), (320, 4129558), (368, 3590920), (428, 3087520), (460, 2872736), (535, 2470016), (640, 2064779), (736, 1795460), (839, 1575040), (856, 1543760), (920, 1436368), (1070, 1235008), (1472, 897730), (1678, 787520), (1712, 771880), (1840, 718184), (2140, 617504), (2461, 536960), (2944, 448865), (3356, 393760), (3424, 385940), (3680, 359092), (4195, 315008), (4280, 308752), (4922, 268480), (6712, 196880), (6848, 192970), (7360, 179546), (8390, 157504), (8560, 154376), (9844, 134240), (12305, 107392), (13424, 98440), (13696, 96485), (14720, 89773), (16780, 78752), (17120, 77188), (19297, 68480), (19688, 67120), (24610, 53696), (26848, 49220), (33560, 39376), (34240, 38594)]