15919840

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 40279680

約数和(自身を除く): 24359840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 47, 58, 73, 80, 94, 116, 145, 146, 160, 188, 232, 235, 290, 292, 365, 376, 464, 470, 580, 584, 730, 752, 928, 940, 1160, 1168, 1363, 1460, 1504, 1880, 2117, 2320, 2336, 2726, 2920, 3431, 3760, 4234, 4640, 5452, 5840, 6815, 6862, 7520, 8468, 10585, 10904, 11680, 13630, 13724, 16936, 17155, 21170, 21808, 27260, 27448, 33872, 34310, 42340, 43616, 54520, 54896, 67744, 68620, 84680, 99499, 109040, 109792, 137240, 169360, 198998, 218080, 274480, 338720, 397996, 497495, 548960, 795992, 994990, 1591984, 1989980, 3183968, 3979960, 7959920, 15919840]

約数ペア:

[(1, 15919840), (2, 7959920), (4, 3979960), (5, 3183968), (8, 1989980), (10, 1591984), (16, 994990), (20, 795992), (29, 548960), (32, 497495), (40, 397996), (47, 338720), (58, 274480), (73, 218080), (80, 198998), (94, 169360), (116, 137240), (145, 109792), (146, 109040), (160, 99499), (188, 84680), (232, 68620), (235, 67744), (290, 54896), (292, 54520), (365, 43616), (376, 42340), (464, 34310), (470, 33872), (580, 27448), (584, 27260), (730, 21808), (752, 21170), (928, 17155), (940, 16936), (1160, 13724), (1168, 13630), (1363, 11680), (1460, 10904), (1504, 10585), (1880, 8468), (2117, 7520), (2320, 6862), (2336, 6815), (2726, 5840), (2920, 5452), (3431, 4640), (3760, 4234)]