131212240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2459}}^1$

素因数の和:2524

約数の個数: 80

約数和(自身を含む): 329443200

約数和(自身を除く): 198230960

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, 2459, 2668, 3335, 4918, 5336, 6670, 9836, 10672, 12295, 13340, 19672, 24590, 26680, 39344, 49180, 53360, 56557, 71311, 98360, 113114, 142622, 196720, 226228, 282785, 285244, 356555, 452456, 565570, 570488, 713110, 904912, 1131140, 1140976, 1426220, 1640153, 2262280, 2852440, 3280306, 4524560, 5704880, 6560612, 8200765, 13121224, 16401530, 26242448, 32803060, 65606120, 131212240]

約数ペア:

[(1, 131212240), (2, 65606120), (4, 32803060), (5, 26242448), (8, 16401530), (10, 13121224), (16, 8200765), (20, 6560612), (23, 5704880), (29, 4524560), (40, 3280306), (46, 2852440), (58, 2262280), (80, 1640153), (92, 1426220), (115, 1140976), (116, 1131140), (145, 904912), (184, 713110), (230, 570488), (232, 565570), (290, 452456), (368, 356555), (460, 285244), (464, 282785), (580, 226228), (667, 196720), (920, 142622), (1160, 113114), (1334, 98360), (1840, 71311), (2320, 56557), (2459, 53360), (2668, 49180), (3335, 39344), (4918, 26680), (5336, 24590), (6670, 19672), (9836, 13340), (10672, 12295)]