15570880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:246

約数の個数: 112

約数和(自身を含む): 42245280

約数和(自身を除く): 26674400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 197, 208, 247, 260, 304, 320, 380, 394, 416, 494, 520, 608, 760, 788, 832, 985, 988, 1040, 1216, 1235, 1520, 1576, 1970, 1976, 2080, 2470, 2561, 3040, 3152, 3743, 3940, 3952, 4160, 4940, 5122, 6080, 6304, 7486, 7880, 7904, 9880, 10244, 12608, 12805, 14972, 15760, 15808, 18715, 19760, 20488, 25610, 29944, 31520, 37430, 39520, 40976, 48659, 51220, 59888, 63040, 74860, 79040, 81952, 97318, 102440, 119776, 149720, 163904, 194636, 204880, 239552, 243295, 299440, 389272, 409760, 486590, 598880, 778544, 819520, 973180, 1197760, 1557088, 1946360, 3114176, 3892720, 7785440, 15570880]

約数ペア:

[(1, 15570880), (2, 7785440), (4, 3892720), (5, 3114176), (8, 1946360), (10, 1557088), (13, 1197760), (16, 973180), (19, 819520), (20, 778544), (26, 598880), (32, 486590), (38, 409760), (40, 389272), (52, 299440), (64, 243295), (65, 239552), (76, 204880), (80, 194636), (95, 163904), (104, 149720), (130, 119776), (152, 102440), (160, 97318), (190, 81952), (197, 79040), (208, 74860), (247, 63040), (260, 59888), (304, 51220), (320, 48659), (380, 40976), (394, 39520), (416, 37430), (494, 31520), (520, 29944), (608, 25610), (760, 20488), (788, 19760), (832, 18715), (985, 15808), (988, 15760), (1040, 14972), (1216, 12805), (1235, 12608), (1520, 10244), (1576, 9880), (1970, 7904), (1976, 7880), (2080, 7486), (2470, 6304), (2561, 6080), (3040, 5122), (3152, 4940), (3743, 4160), (3940, 3952)]