61309720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 145566720

約数和(自身を除く): 84257000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 103, 115, 184, 206, 230, 412, 460, 515, 647, 824, 920, 1030, 1294, 2060, 2369, 2588, 3235, 4120, 4738, 5176, 6470, 9476, 11845, 12940, 14881, 18952, 23690, 25880, 29762, 47380, 59524, 66641, 74405, 94760, 119048, 133282, 148810, 266564, 297620, 333205, 533128, 595240, 666410, 1332820, 1532743, 2665640, 3065486, 6130972, 7663715, 12261944, 15327430, 30654860, 61309720]

約数ペア:

[(1, 61309720), (2, 30654860), (4, 15327430), (5, 12261944), (8, 7663715), (10, 6130972), (20, 3065486), (23, 2665640), (40, 1532743), (46, 1332820), (92, 666410), (103, 595240), (115, 533128), (184, 333205), (206, 297620), (230, 266564), (412, 148810), (460, 133282), (515, 119048), (647, 94760), (824, 74405), (920, 66641), (1030, 59524), (1294, 47380), (2060, 29762), (2369, 25880), (2588, 23690), (3235, 18952), (4120, 14881), (4738, 12940), (5176, 11845), (6470, 9476)]