31146480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:439

約数の個数: 120

約数和(自身を含む): 105618240

約数和(自身を除く): 74471760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 181, 239, 240, 360, 362, 478, 543, 717, 720, 724, 905, 956, 1086, 1195, 1434, 1448, 1629, 1810, 1912, 2151, 2172, 2390, 2715, 2868, 2896, 3258, 3585, 3620, 3824, 4302, 4344, 4780, 5430, 5736, 6516, 7170, 7240, 8145, 8604, 8688, 9560, 10755, 10860, 11472, 13032, 14340, 14480, 16290, 17208, 19120, 21510, 21720, 26064, 28680, 32580, 34416, 43020, 43259, 43440, 57360, 65160, 86040, 86518, 129777, 130320, 172080, 173036, 216295, 259554, 346072, 389331, 432590, 519108, 648885, 692144, 778662, 865180, 1038216, 1297770, 1557324, 1730360, 1946655, 2076432, 2595540, 3114648, 3460720, 3893310, 5191080, 6229296, 7786620, 10382160, 15573240, 31146480]

約数ペア:

[(1, 31146480), (2, 15573240), (3, 10382160), (4, 7786620), (5, 6229296), (6, 5191080), (8, 3893310), (9, 3460720), (10, 3114648), (12, 2595540), (15, 2076432), (16, 1946655), (18, 1730360), (20, 1557324), (24, 1297770), (30, 1038216), (36, 865180), (40, 778662), (45, 692144), (48, 648885), (60, 519108), (72, 432590), (80, 389331), (90, 346072), (120, 259554), (144, 216295), (180, 173036), (181, 172080), (239, 130320), (240, 129777), (360, 86518), (362, 86040), (478, 65160), (543, 57360), (717, 43440), (720, 43259), (724, 43020), (905, 34416), (956, 32580), (1086, 28680), (1195, 26064), (1434, 21720), (1448, 21510), (1629, 19120), (1810, 17208), (1912, 16290), (2151, 14480), (2172, 14340), (2390, 13032), (2715, 11472), (2868, 10860), (2896, 10755), (3258, 9560), (3585, 8688), (3620, 8604), (3824, 8145), (4302, 7240), (4344, 7170), (4780, 6516), (5430, 5736)]