30342760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 80705160

約数和(自身を除く): 50362400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 113, 137, 140, 196, 226, 245, 274, 280, 392, 452, 490, 548, 565, 685, 791, 904, 959, 980, 1096, 1130, 1370, 1582, 1918, 1960, 2260, 2740, 3164, 3836, 3955, 4520, 4795, 5480, 5537, 6328, 6713, 7672, 7910, 9590, 11074, 13426, 15481, 15820, 19180, 22148, 26852, 27685, 30962, 31640, 33565, 38360, 44296, 53704, 55370, 61924, 67130, 77405, 108367, 110740, 123848, 134260, 154810, 216734, 221480, 268520, 309620, 433468, 541835, 619240, 758569, 866936, 1083670, 1517138, 2167340, 3034276, 3792845, 4334680, 6068552, 7585690, 15171380, 30342760]

約数ペア:

[(1, 30342760), (2, 15171380), (4, 7585690), (5, 6068552), (7, 4334680), (8, 3792845), (10, 3034276), (14, 2167340), (20, 1517138), (28, 1083670), (35, 866936), (40, 758569), (49, 619240), (56, 541835), (70, 433468), (98, 309620), (113, 268520), (137, 221480), (140, 216734), (196, 154810), (226, 134260), (245, 123848), (274, 110740), (280, 108367), (392, 77405), (452, 67130), (490, 61924), (548, 55370), (565, 53704), (685, 44296), (791, 38360), (904, 33565), (959, 31640), (980, 30962), (1096, 27685), (1130, 26852), (1370, 22148), (1582, 19180), (1918, 15820), (1960, 15481), (2260, 13426), (2740, 11074), (3164, 9590), (3836, 7910), (3955, 7672), (4520, 6713), (4795, 6328), (5480, 5537)]