1340938480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{77243}}^1$

素因数の和:77294

約数の個数: 80

約数和(自身を含む): 3678050304

約数和(自身を除く): 2337111824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 77243, 154486, 308972, 386215, 540701, 617944, 772430, 1081402, 1235888, 1544860, 2162804, 2394533, 2703505, 3089720, 4325608, 4789066, 5407010, 6179440, 8651216, 9578132, 10814020, 11972665, 16761731, 19156264, 21628040, 23945330, 33523462, 38312528, 43256080, 47890660, 67046924, 83808655, 95781320, 134093848, 167617310, 191562640, 268187696, 335234620, 670469240, 1340938480]

約数ペア:

[(1, 1340938480), (2, 670469240), (4, 335234620), (5, 268187696), (7, 191562640), (8, 167617310), (10, 134093848), (14, 95781320), (16, 83808655), (20, 67046924), (28, 47890660), (31, 43256080), (35, 38312528), (40, 33523462), (56, 23945330), (62, 21628040), (70, 19156264), (80, 16761731), (112, 11972665), (124, 10814020), (140, 9578132), (155, 8651216), (217, 6179440), (248, 5407010), (280, 4789066), (310, 4325608), (434, 3089720), (496, 2703505), (560, 2394533), (620, 2162804), (868, 1544860), (1085, 1235888), (1240, 1081402), (1736, 772430), (2170, 617944), (2480, 540701), (3472, 386215), (4340, 308972), (8680, 154486), (17360, 77243)]