15946700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 45830400

約数和(自身を除く): 29883700

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 25, 28, 35, 38, 44, 50, 55, 70, 76, 77, 95, 100, 109, 110, 133, 140, 154, 175, 190, 209, 218, 220, 266, 275, 308, 350, 380, 385, 418, 436, 475, 532, 545, 550, 665, 700, 763, 770, 836, 950, 1045, 1090, 1100, 1199, 1330, 1463, 1526, 1540, 1900, 1925, 2071, 2090, 2180, 2398, 2660, 2725, 2926, 3052, 3325, 3815, 3850, 4142, 4180, 4796, 5225, 5450, 5852, 5995, 6650, 7315, 7630, 7700, 8284, 8393, 10355, 10450, 10900, 11990, 13300, 14497, 14630, 15260, 16786, 19075, 20710, 20900, 22781, 23980, 28994, 29260, 29975, 33572, 36575, 38150, 41420, 41965, 45562, 51775, 57988, 59950, 72485, 73150, 76300, 83930, 91124, 103550, 113905, 119900, 144970, 146300, 159467, 167860, 207100, 209825, 227810, 289940, 318934, 362425, 419650, 455620, 569525, 637868, 724850, 797335, 839300, 1139050, 1449700, 1594670, 2278100, 3189340, 3986675, 7973350, 15946700]

約数ペア:

[(1, 15946700), (2, 7973350), (4, 3986675), (5, 3189340), (7, 2278100), (10, 1594670), (11, 1449700), (14, 1139050), (19, 839300), (20, 797335), (22, 724850), (25, 637868), (28, 569525), (35, 455620), (38, 419650), (44, 362425), (50, 318934), (55, 289940), (70, 227810), (76, 209825), (77, 207100), (95, 167860), (100, 159467), (109, 146300), (110, 144970), (133, 119900), (140, 113905), (154, 103550), (175, 91124), (190, 83930), (209, 76300), (218, 73150), (220, 72485), (266, 59950), (275, 57988), (308, 51775), (350, 45562), (380, 41965), (385, 41420), (418, 38150), (436, 36575), (475, 33572), (532, 29975), (545, 29260), (550, 28994), (665, 23980), (700, 22781), (763, 20900), (770, 20710), (836, 19075), (950, 16786), (1045, 15260), (1090, 14630), (1100, 14497), (1199, 13300), (1330, 11990), (1463, 10900), (1526, 10450), (1540, 10355), (1900, 8393), (1925, 8284), (2071, 7700), (2090, 7630), (2180, 7315), (2398, 6650), (2660, 5995), (2725, 5852), (2926, 5450), (3052, 5225), (3325, 4796), (3815, 4180), (3850, 4142)]