15195440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:814

約数の個数: 80

約数和(自身を含む): 40101600

約数和(自身を除く): 24906160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 769, 988, 1040, 1235, 1520, 1538, 1976, 2470, 3076, 3845, 3952, 4940, 6152, 7690, 9880, 9997, 12304, 14611, 15380, 19760, 19994, 29222, 30760, 39988, 49985, 58444, 61520, 73055, 79976, 99970, 116888, 146110, 159952, 189943, 199940, 233776, 292220, 379886, 399880, 584440, 759772, 799760, 949715, 1168880, 1519544, 1899430, 3039088, 3798860, 7597720, 15195440]

約数ペア:

[(1, 15195440), (2, 7597720), (4, 3798860), (5, 3039088), (8, 1899430), (10, 1519544), (13, 1168880), (16, 949715), (19, 799760), (20, 759772), (26, 584440), (38, 399880), (40, 379886), (52, 292220), (65, 233776), (76, 199940), (80, 189943), (95, 159952), (104, 146110), (130, 116888), (152, 99970), (190, 79976), (208, 73055), (247, 61520), (260, 58444), (304, 49985), (380, 39988), (494, 30760), (520, 29222), (760, 19994), (769, 19760), (988, 15380), (1040, 14611), (1235, 12304), (1520, 9997), (1538, 9880), (1976, 7690), (2470, 6152), (3076, 4940), (3845, 3952)]