83871320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:709

約数の個数: 96

約数和(自身を含む): 215427600

約数和(自身を除く): 131556280

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 169, 190, 247, 260, 338, 380, 494, 520, 653, 676, 760, 845, 988, 1235, 1306, 1352, 1690, 1976, 2470, 2612, 3211, 3265, 3380, 4940, 5224, 6422, 6530, 6760, 8489, 9880, 12407, 12844, 13060, 16055, 16978, 24814, 25688, 26120, 32110, 33956, 42445, 49628, 62035, 64220, 67912, 84890, 99256, 110357, 124070, 128440, 161291, 169780, 220714, 248140, 322582, 339560, 441428, 496280, 551785, 645164, 806455, 882856, 1103570, 1290328, 1612910, 2096783, 2207140, 3225820, 4193566, 4414280, 6451640, 8387132, 10483915, 16774264, 20967830, 41935660, 83871320]

約数ペア:

[(1, 83871320), (2, 41935660), (4, 20967830), (5, 16774264), (8, 10483915), (10, 8387132), (13, 6451640), (19, 4414280), (20, 4193566), (26, 3225820), (38, 2207140), (40, 2096783), (52, 1612910), (65, 1290328), (76, 1103570), (95, 882856), (104, 806455), (130, 645164), (152, 551785), (169, 496280), (190, 441428), (247, 339560), (260, 322582), (338, 248140), (380, 220714), (494, 169780), (520, 161291), (653, 128440), (676, 124070), (760, 110357), (845, 99256), (988, 84890), (1235, 67912), (1306, 64220), (1352, 62035), (1690, 49628), (1976, 42445), (2470, 33956), (2612, 32110), (3211, 26120), (3265, 25688), (3380, 24814), (4940, 16978), (5224, 16055), (6422, 13060), (6530, 12844), (6760, 12407), (8489, 9880)]