1220018520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:422

約数の個数: 256

約数和(自身を含む): 4313088000

約数和(自身を除く): 3093069480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 59, 60, 70, 84, 103, 105, 118, 120, 140, 168, 177, 206, 210, 236, 239, 280, 295, 309, 354, 412, 413, 420, 472, 478, 515, 590, 618, 708, 717, 721, 824, 826, 840, 885, 956, 1030, 1180, 1195, 1236, 1239, 1416, 1434, 1442, 1545, 1652, 1673, 1770, 1912, 2060, 2065, 2163, 2360, 2390, 2472, 2478, 2868, 2884, 3090, 3304, 3346, 3540, 3585, 3605, 4120, 4130, 4326, 4780, 4956, 5019, 5736, 5768, 6077, 6180, 6195, 6692, 7080, 7170, 7210, 8260, 8365, 8652, 9560, 9912, 10038, 10815, 12154, 12360, 12390, 13384, 14101, 14340, 14420, 16520, 16730, 17304, 18231, 20076, 21630, 24308, 24617, 24780, 25095, 28202, 28680, 28840, 30385, 33460, 36462, 40152, 42303, 42539, 43260, 48616, 49234, 49560, 50190, 56404, 60770, 66920, 70505, 72924, 73851, 84606, 85078, 86520, 91155, 98468, 98707, 100380, 112808, 121540, 123085, 127617, 141010, 145848, 147702, 169212, 170156, 172319, 182310, 196936, 197414, 200760, 211515, 212695, 243080, 246170, 255234, 282020, 295404, 296121, 338424, 340312, 344638, 364620, 369255, 394828, 423030, 425390, 492340, 493535, 510468, 516957, 564040, 590808, 592242, 638085, 689276, 729240, 738510, 789656, 846060, 850780, 861595, 984680, 987070, 1020936, 1033914, 1184484, 1276170, 1378552, 1452403, 1477020, 1480605, 1692120, 1701560, 1723190, 1974140, 2067828, 2368968, 2552340, 2584785, 2904806, 2954040, 2961210, 3446380, 3948280, 4135656, 4357209, 5104680, 5169570, 5809612, 5922420, 6892760, 7262015, 8714418, 10166821, 10339140, 11619224, 11844840, 14524030, 17428836, 20333642, 20678280, 21786045, 29048060, 30500463, 34857672, 40667284, 43572090, 50834105, 58096120, 61000926, 81334568, 87144180, 101668210, 122001852, 152502315, 174288360, 203336420, 244003704, 305004630, 406672840, 610009260, 1220018520]

約数ペア:

[(1, 1220018520), (2, 610009260), (3, 406672840), (4, 305004630), (5, 244003704), (6, 203336420), (7, 174288360), (8, 152502315), (10, 122001852), (12, 101668210), (14, 87144180), (15, 81334568), (20, 61000926), (21, 58096120), (24, 50834105), (28, 43572090), (30, 40667284), (35, 34857672), (40, 30500463), (42, 29048060), (56, 21786045), (59, 20678280), (60, 20333642), (70, 17428836), (84, 14524030), (103, 11844840), (105, 11619224), (118, 10339140), (120, 10166821), (140, 8714418), (168, 7262015), (177, 6892760), (206, 5922420), (210, 5809612), (236, 5169570), (239, 5104680), (280, 4357209), (295, 4135656), (309, 3948280), (354, 3446380), (412, 2961210), (413, 2954040), (420, 2904806), (472, 2584785), (478, 2552340), (515, 2368968), (590, 2067828), (618, 1974140), (708, 1723190), (717, 1701560), (721, 1692120), (824, 1480605), (826, 1477020), (840, 1452403), (885, 1378552), (956, 1276170), (1030, 1184484), (1180, 1033914), (1195, 1020936), (1236, 987070), (1239, 984680), (1416, 861595), (1434, 850780), (1442, 846060), (1545, 789656), (1652, 738510), (1673, 729240), (1770, 689276), (1912, 638085), (2060, 592242), (2065, 590808), (2163, 564040), (2360, 516957), (2390, 510468), (2472, 493535), (2478, 492340), (2868, 425390), (2884, 423030), (3090, 394828), (3304, 369255), (3346, 364620), (3540, 344638), (3585, 340312), (3605, 338424), (4120, 296121), (4130, 295404), (4326, 282020), (4780, 255234), (4956, 246170), (5019, 243080), (5736, 212695), (5768, 211515), (6077, 200760), (6180, 197414), (6195, 196936), (6692, 182310), (7080, 172319), (7170, 170156), (7210, 169212), (8260, 147702), (8365, 145848), (8652, 141010), (9560, 127617), (9912, 123085), (10038, 121540), (10815, 112808), (12154, 100380), (12360, 98707), (12390, 98468), (13384, 91155), (14101, 86520), (14340, 85078), (14420, 84606), (16520, 73851), (16730, 72924), (17304, 70505), (18231, 66920), (20076, 60770), (21630, 56404), (24308, 50190), (24617, 49560), (24780, 49234), (25095, 48616), (28202, 43260), (28680, 42539), (28840, 42303), (30385, 40152), (33460, 36462)]