68781040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1289}}^1$

素因数の和:1354

約数の個数: 80

約数和(自身を含む): 172756800

約数和(自身を除く): 103975760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 40, 46, 58, 80, 92, 115, 116, 145, 184, 230, 232, 290, 368, 460, 464, 580, 667, 920, 1160, 1289, 1334, 1840, 2320, 2578, 2668, 3335, 5156, 5336, 6445, 6670, 10312, 10672, 12890, 13340, 20624, 25780, 26680, 29647, 37381, 51560, 53360, 59294, 74762, 103120, 118588, 148235, 149524, 186905, 237176, 296470, 299048, 373810, 474352, 592940, 598096, 747620, 859763, 1185880, 1495240, 1719526, 2371760, 2990480, 3439052, 4298815, 6878104, 8597630, 13756208, 17195260, 34390520, 68781040]

約数ペア:

[(1, 68781040), (2, 34390520), (4, 17195260), (5, 13756208), (8, 8597630), (10, 6878104), (16, 4298815), (20, 3439052), (23, 2990480), (29, 2371760), (40, 1719526), (46, 1495240), (58, 1185880), (80, 859763), (92, 747620), (115, 598096), (116, 592940), (145, 474352), (184, 373810), (230, 299048), (232, 296470), (290, 237176), (368, 186905), (460, 149524), (464, 148235), (580, 118588), (667, 103120), (920, 74762), (1160, 59294), (1289, 53360), (1334, 51560), (1840, 37381), (2320, 29647), (2578, 26680), (2668, 25780), (3335, 20624), (5156, 13340), (5336, 12890), (6445, 10672), (6670, 10312)]