15697040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 40176000

約数和(自身を除く): 24478960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 449, 460, 760, 874, 898, 920, 1520, 1748, 1796, 1840, 2185, 2245, 3496, 3592, 4370, 4490, 6992, 7184, 8531, 8740, 8980, 10327, 17062, 17480, 17960, 20654, 34124, 34960, 35920, 41308, 42655, 51635, 68248, 82616, 85310, 103270, 136496, 165232, 170620, 196213, 206540, 341240, 392426, 413080, 682480, 784852, 826160, 981065, 1569704, 1962130, 3139408, 3924260, 7848520, 15697040]

約数ペア:

[(1, 15697040), (2, 7848520), (4, 3924260), (5, 3139408), (8, 1962130), (10, 1569704), (16, 981065), (19, 826160), (20, 784852), (23, 682480), (38, 413080), (40, 392426), (46, 341240), (76, 206540), (80, 196213), (92, 170620), (95, 165232), (115, 136496), (152, 103270), (184, 85310), (190, 82616), (230, 68248), (304, 51635), (368, 42655), (380, 41308), (437, 35920), (449, 34960), (460, 34124), (760, 20654), (874, 17960), (898, 17480), (920, 17062), (1520, 10327), (1748, 8980), (1796, 8740), (1840, 8531), (2185, 7184), (2245, 6992), (3496, 4490), (3592, 4370)]