123538240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:576

約数の個数: 112

約数和(自身を含む): 339571584

約数和(自身を除く): 216033344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 131, 140, 160, 224, 262, 280, 320, 421, 448, 524, 560, 655, 842, 917, 1048, 1120, 1310, 1684, 1834, 2096, 2105, 2240, 2620, 2947, 3368, 3668, 4192, 4210, 4585, 5240, 5894, 6736, 7336, 8384, 8420, 9170, 10480, 11788, 13472, 14672, 14735, 16840, 18340, 20960, 23576, 26944, 29344, 29470, 33680, 36680, 41920, 47152, 55151, 58688, 58940, 67360, 73360, 94304, 110302, 117880, 134720, 146720, 188608, 220604, 235760, 275755, 293440, 386057, 441208, 471520, 551510, 772114, 882416, 943040, 1103020, 1544228, 1764832, 1930285, 2206040, 3088456, 3529664, 3860570, 4412080, 6176912, 7721140, 8824160, 12353824, 15442280, 17648320, 24707648, 30884560, 61769120, 123538240]

約数ペア:

[(1, 123538240), (2, 61769120), (4, 30884560), (5, 24707648), (7, 17648320), (8, 15442280), (10, 12353824), (14, 8824160), (16, 7721140), (20, 6176912), (28, 4412080), (32, 3860570), (35, 3529664), (40, 3088456), (56, 2206040), (64, 1930285), (70, 1764832), (80, 1544228), (112, 1103020), (131, 943040), (140, 882416), (160, 772114), (224, 551510), (262, 471520), (280, 441208), (320, 386057), (421, 293440), (448, 275755), (524, 235760), (560, 220604), (655, 188608), (842, 146720), (917, 134720), (1048, 117880), (1120, 110302), (1310, 94304), (1684, 73360), (1834, 67360), (2096, 58940), (2105, 58688), (2240, 55151), (2620, 47152), (2947, 41920), (3368, 36680), (3668, 33680), (4192, 29470), (4210, 29344), (4585, 26944), (5240, 23576), (5894, 20960), (6736, 18340), (7336, 16840), (8384, 14735), (8420, 14672), (9170, 13472), (10480, 11788)]