161867860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1181}}^1$

素因数の和:1297

約数の個数: 96

約数和(自身を含む): 428924160

約数和(自身を除く): 267056300

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 89, 110, 140, 154, 178, 220, 308, 356, 385, 445, 623, 770, 890, 979, 1181, 1246, 1540, 1780, 1958, 2362, 2492, 3115, 3916, 4724, 4895, 5905, 6230, 6853, 8267, 9790, 11810, 12460, 12991, 13706, 16534, 19580, 23620, 25982, 27412, 33068, 34265, 41335, 51964, 64955, 68530, 82670, 90937, 105109, 129910, 137060, 165340, 181874, 210218, 259820, 363748, 420436, 454685, 525545, 735763, 909370, 1051090, 1156199, 1471526, 1818740, 2102180, 2312398, 2943052, 3678815, 4624796, 5780995, 7357630, 8093393, 11561990, 14715260, 16186786, 23123980, 32373572, 40466965, 80933930, 161867860]

約数ペア:

[(1, 161867860), (2, 80933930), (4, 40466965), (5, 32373572), (7, 23123980), (10, 16186786), (11, 14715260), (14, 11561990), (20, 8093393), (22, 7357630), (28, 5780995), (35, 4624796), (44, 3678815), (55, 2943052), (70, 2312398), (77, 2102180), (89, 1818740), (110, 1471526), (140, 1156199), (154, 1051090), (178, 909370), (220, 735763), (308, 525545), (356, 454685), (385, 420436), (445, 363748), (623, 259820), (770, 210218), (890, 181874), (979, 165340), (1181, 137060), (1246, 129910), (1540, 105109), (1780, 90937), (1958, 82670), (2362, 68530), (2492, 64955), (3115, 51964), (3916, 41335), (4724, 34265), (4895, 33068), (5905, 27412), (6230, 25982), (6853, 23620), (8267, 19580), (9790, 16534), (11810, 13706), (12460, 12991)]