2440360

素因数分解:

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

素因数の和:75

約数の個数: 72

約数和(自身を含む): 6275070

約数和(自身を除く): 3834710

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, 361, 380, 494, 520, 676, 722, 760, 845, 988, 1235, 1352, 1444, 1690, 1805, 1976, 2470, 2888, 3211, 3380, 3610, 4693, 4940, 6422, 6760, 7220, 9386, 9880, 12844, 14440, 16055, 18772, 23465, 25688, 32110, 37544, 46930, 61009, 64220, 93860, 122018, 128440, 187720, 244036, 305045, 488072, 610090, 1220180, 2440360]

約数ペア:

[(1, 2440360), (2, 1220180), (4, 610090), (5, 488072), (8, 305045), (10, 244036), (13, 187720), (19, 128440), (20, 122018), (26, 93860), (38, 64220), (40, 61009), (52, 46930), (65, 37544), (76, 32110), (95, 25688), (104, 23465), (130, 18772), (152, 16055), (169, 14440), (190, 12844), (247, 9880), (260, 9386), (338, 7220), (361, 6760), (380, 6422), (494, 4940), (520, 4693), (676, 3610), (722, 3380), (760, 3211), (845, 2888), (988, 2470), (1235, 1976), (1352, 1805), (1444, 1690)]