289121520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{4349}}^1$

素因数の和:4642

約数の個数: 80

約数和(自身を含む): 899719200

約数和(自身を除く): 610597680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 277, 554, 831, 1108, 1385, 1662, 2216, 2770, 3324, 4155, 4349, 4432, 5540, 6648, 8310, 8698, 11080, 13047, 13296, 16620, 17396, 21745, 22160, 26094, 33240, 34792, 43490, 52188, 65235, 66480, 69584, 86980, 104376, 130470, 173960, 208752, 260940, 347920, 521880, 1043760, 1204673, 2409346, 3614019, 4818692, 6023365, 7228038, 9637384, 12046730, 14456076, 18070095, 19274768, 24093460, 28912152, 36140190, 48186920, 57824304, 72280380, 96373840, 144560760, 289121520]

約数ペア:

[(1, 289121520), (2, 144560760), (3, 96373840), (4, 72280380), (5, 57824304), (6, 48186920), (8, 36140190), (10, 28912152), (12, 24093460), (15, 19274768), (16, 18070095), (20, 14456076), (24, 12046730), (30, 9637384), (40, 7228038), (48, 6023365), (60, 4818692), (80, 3614019), (120, 2409346), (240, 1204673), (277, 1043760), (554, 521880), (831, 347920), (1108, 260940), (1385, 208752), (1662, 173960), (2216, 130470), (2770, 104376), (3324, 86980), (4155, 69584), (4349, 66480), (4432, 65235), (5540, 52188), (6648, 43490), (8310, 34792), (8698, 33240), (11080, 26094), (13047, 22160), (13296, 21745), (16620, 17396)]