61929680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 149990400

約数和(自身を除く): 88060720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 79, 80, 82, 158, 164, 205, 239, 316, 328, 395, 410, 478, 632, 656, 790, 820, 956, 1195, 1264, 1580, 1640, 1912, 2390, 3160, 3239, 3280, 3824, 4780, 6320, 6478, 9560, 9799, 12956, 16195, 18881, 19120, 19598, 25912, 32390, 37762, 39196, 48995, 51824, 64780, 75524, 78392, 94405, 97990, 129560, 151048, 156784, 188810, 195980, 259120, 302096, 377620, 391960, 755240, 774121, 783920, 1510480, 1548242, 3096484, 3870605, 6192968, 7741210, 12385936, 15482420, 30964840, 61929680]

約数ペア:

[(1, 61929680), (2, 30964840), (4, 15482420), (5, 12385936), (8, 7741210), (10, 6192968), (16, 3870605), (20, 3096484), (40, 1548242), (41, 1510480), (79, 783920), (80, 774121), (82, 755240), (158, 391960), (164, 377620), (205, 302096), (239, 259120), (316, 195980), (328, 188810), (395, 156784), (410, 151048), (478, 129560), (632, 97990), (656, 94405), (790, 78392), (820, 75524), (956, 64780), (1195, 51824), (1264, 48995), (1580, 39196), (1640, 37762), (1912, 32390), (2390, 25912), (3160, 19598), (3239, 19120), (3280, 18881), (3824, 16195), (4780, 12956), (6320, 9799), (6478, 9560)]