30390880

素因数分解:

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

素因数の和:816

約数の個数: 96

約数和(自身を含む): 81496800

約数和(自身を除く): 51105920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 769, 988, 1040, 1235, 1520, 1538, 1976, 2080, 2470, 3040, 3076, 3845, 3952, 4940, 6152, 7690, 7904, 9880, 9997, 12304, 14611, 15380, 19760, 19994, 24608, 29222, 30760, 39520, 39988, 49985, 58444, 61520, 73055, 79976, 99970, 116888, 123040, 146110, 159952, 189943, 199940, 233776, 292220, 319904, 379886, 399880, 467552, 584440, 759772, 799760, 949715, 1168880, 1519544, 1599520, 1899430, 2337760, 3039088, 3798860, 6078176, 7597720, 15195440, 30390880]

約数ペア:

[(1, 30390880), (2, 15195440), (4, 7597720), (5, 6078176), (8, 3798860), (10, 3039088), (13, 2337760), (16, 1899430), (19, 1599520), (20, 1519544), (26, 1168880), (32, 949715), (38, 799760), (40, 759772), (52, 584440), (65, 467552), (76, 399880), (80, 379886), (95, 319904), (104, 292220), (130, 233776), (152, 199940), (160, 189943), (190, 159952), (208, 146110), (247, 123040), (260, 116888), (304, 99970), (380, 79976), (416, 73055), (494, 61520), (520, 58444), (608, 49985), (760, 39988), (769, 39520), (988, 30760), (1040, 29222), (1235, 24608), (1520, 19994), (1538, 19760), (1976, 15380), (2080, 14611), (2470, 12304), (3040, 9997), (3076, 9880), (3845, 7904), (3952, 7690), (4940, 6152)]