15705016940

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1\times {\mathrm{12203}}^1$

素因数の和:12722

約数の個数: 48

約数和(自身を含む): 33245160480

約数和(自身を除く): 17540143540

約数列:

[1, 2, 4, 5, 10, 20, 229, 281, 458, 562, 916, 1124, 1145, 1405, 2290, 2810, 4580, 5620, 12203, 24406, 48812, 61015, 64349, 122030, 128698, 244060, 257396, 321745, 643490, 1286980, 2794487, 3429043, 5588974, 6858086, 11177948, 13716172, 13972435, 17145215, 27944870, 34290430, 55889740, 68580860, 785250847, 1570501694, 3141003388, 3926254235, 7852508470, 15705016940]

約数ペア:

[(1, 15705016940), (2, 7852508470), (4, 3926254235), (5, 3141003388), (10, 1570501694), (20, 785250847), (229, 68580860), (281, 55889740), (458, 34290430), (562, 27944870), (916, 17145215), (1124, 13972435), (1145, 13716172), (1405, 11177948), (2290, 6858086), (2810, 5588974), (4580, 3429043), (5620, 2794487), (12203, 1286980), (24406, 643490), (48812, 321745), (61015, 257396), (64349, 244060), (122030, 128698)]