655741040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{12289}}^1$

素因数の和:12354

約数の個数: 80

約数和(自身を含む): 1645876800

約数和(自身を除く): 990135760

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, 1334, 1840, 2320, 2668, 3335, 5336, 6670, 10672, 12289, 13340, 24578, 26680, 49156, 53360, 61445, 98312, 122890, 196624, 245780, 282647, 356381, 491560, 565294, 712762, 983120, 1130588, 1413235, 1425524, 1781905, 2261176, 2826470, 2851048, 3563810, 4522352, 5652940, 5702096, 7127620, 8196763, 11305880, 14255240, 16393526, 22611760, 28510480, 32787052, 40983815, 65574104, 81967630, 131148208, 163935260, 327870520, 655741040]

約数ペア:

[(1, 655741040), (2, 327870520), (4, 163935260), (5, 131148208), (8, 81967630), (10, 65574104), (16, 40983815), (20, 32787052), (23, 28510480), (29, 22611760), (40, 16393526), (46, 14255240), (58, 11305880), (80, 8196763), (92, 7127620), (115, 5702096), (116, 5652940), (145, 4522352), (184, 3563810), (230, 2851048), (232, 2826470), (290, 2261176), (368, 1781905), (460, 1425524), (464, 1413235), (580, 1130588), (667, 983120), (920, 712762), (1160, 565294), (1334, 491560), (1840, 356381), (2320, 282647), (2668, 245780), (3335, 196624), (5336, 122890), (6670, 98312), (10672, 61445), (12289, 53360), (13340, 49156), (24578, 26680)]