13020720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:482

約数の個数: 80

約数和(自身を含む): 40711680

約数和(自身を除く): 27690960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 227, 239, 240, 454, 478, 681, 717, 908, 956, 1135, 1195, 1362, 1434, 1816, 1912, 2270, 2390, 2724, 2868, 3405, 3585, 3632, 3824, 4540, 4780, 5448, 5736, 6810, 7170, 9080, 9560, 10896, 11472, 13620, 14340, 18160, 19120, 27240, 28680, 54253, 54480, 57360, 108506, 162759, 217012, 271265, 325518, 434024, 542530, 651036, 813795, 868048, 1085060, 1302072, 1627590, 2170120, 2604144, 3255180, 4340240, 6510360, 13020720]

約数ペア:

[(1, 13020720), (2, 6510360), (3, 4340240), (4, 3255180), (5, 2604144), (6, 2170120), (8, 1627590), (10, 1302072), (12, 1085060), (15, 868048), (16, 813795), (20, 651036), (24, 542530), (30, 434024), (40, 325518), (48, 271265), (60, 217012), (80, 162759), (120, 108506), (227, 57360), (239, 54480), (240, 54253), (454, 28680), (478, 27240), (681, 19120), (717, 18160), (908, 14340), (956, 13620), (1135, 11472), (1195, 10896), (1362, 9560), (1434, 9080), (1816, 7170), (1912, 6810), (2270, 5736), (2390, 5448), (2724, 4780), (2868, 4540), (3405, 3824), (3585, 3632)]