29721520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:622

約数の個数: 80

約数和(自身を含む): 74727360

約数和(自身を除く): 45005840

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, 557, 580, 667, 920, 1114, 1160, 1334, 1840, 2228, 2320, 2668, 2785, 3335, 4456, 5336, 5570, 6670, 8912, 10672, 11140, 12811, 13340, 16153, 22280, 25622, 26680, 32306, 44560, 51244, 53360, 64055, 64612, 80765, 102488, 128110, 129224, 161530, 204976, 256220, 258448, 323060, 371519, 512440, 646120, 743038, 1024880, 1292240, 1486076, 1857595, 2972152, 3715190, 5944304, 7430380, 14860760, 29721520]

約数ペア:

[(1, 29721520), (2, 14860760), (4, 7430380), (5, 5944304), (8, 3715190), (10, 2972152), (16, 1857595), (20, 1486076), (23, 1292240), (29, 1024880), (40, 743038), (46, 646120), (58, 512440), (80, 371519), (92, 323060), (115, 258448), (116, 256220), (145, 204976), (184, 161530), (230, 129224), (232, 128110), (290, 102488), (368, 80765), (460, 64612), (464, 64055), (557, 53360), (580, 51244), (667, 44560), (920, 32306), (1114, 26680), (1160, 25622), (1334, 22280), (1840, 16153), (2228, 13340), (2320, 12811), (2668, 11140), (2785, 10672), (3335, 8912), (4456, 6670), (5336, 5570)]