31320240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:307

約数の個数: 160

約数和(自身を含む): 112659456

約数和(自身を除く): 81339216

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 103, 105, 112, 120, 140, 168, 181, 206, 210, 240, 280, 309, 336, 362, 412, 420, 515, 543, 560, 618, 721, 724, 824, 840, 905, 1030, 1086, 1236, 1267, 1442, 1448, 1545, 1648, 1680, 1810, 2060, 2163, 2172, 2472, 2534, 2715, 2884, 2896, 3090, 3605, 3620, 3801, 4120, 4326, 4344, 4944, 5068, 5430, 5768, 6180, 6335, 7210, 7240, 7602, 8240, 8652, 8688, 10136, 10815, 10860, 11536, 12360, 12670, 14420, 14480, 15204, 17304, 18643, 19005, 20272, 21630, 21720, 24720, 25340, 28840, 30408, 34608, 37286, 38010, 43260, 43440, 50680, 55929, 57680, 60816, 74572, 76020, 86520, 93215, 101360, 111858, 130501, 149144, 152040, 173040, 186430, 223716, 261002, 279645, 298288, 304080, 372860, 391503, 447432, 522004, 559290, 652505, 745720, 783006, 894864, 1044008, 1118580, 1305010, 1491440, 1566012, 1957515, 2088016, 2237160, 2610020, 3132024, 3915030, 4474320, 5220040, 6264048, 7830060, 10440080, 15660120, 31320240]

約数ペア:

[(1, 31320240), (2, 15660120), (3, 10440080), (4, 7830060), (5, 6264048), (6, 5220040), (7, 4474320), (8, 3915030), (10, 3132024), (12, 2610020), (14, 2237160), (15, 2088016), (16, 1957515), (20, 1566012), (21, 1491440), (24, 1305010), (28, 1118580), (30, 1044008), (35, 894864), (40, 783006), (42, 745720), (48, 652505), (56, 559290), (60, 522004), (70, 447432), (80, 391503), (84, 372860), (103, 304080), (105, 298288), (112, 279645), (120, 261002), (140, 223716), (168, 186430), (181, 173040), (206, 152040), (210, 149144), (240, 130501), (280, 111858), (309, 101360), (336, 93215), (362, 86520), (412, 76020), (420, 74572), (515, 60816), (543, 57680), (560, 55929), (618, 50680), (721, 43440), (724, 43260), (824, 38010), (840, 37286), (905, 34608), (1030, 30408), (1086, 28840), (1236, 25340), (1267, 24720), (1442, 21720), (1448, 21630), (1545, 20272), (1648, 19005), (1680, 18643), (1810, 17304), (2060, 15204), (2163, 14480), (2172, 14420), (2472, 12670), (2534, 12360), (2715, 11536), (2884, 10860), (2896, 10815), (3090, 10136), (3605, 8688), (3620, 8652), (3801, 8240), (4120, 7602), (4326, 7240), (4344, 7210), (4944, 6335), (5068, 6180), (5430, 5768)]