12696880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 35622720

約数和(自身を除く): 22925840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 49, 56, 70, 79, 80, 82, 98, 112, 140, 158, 164, 196, 205, 245, 280, 287, 316, 328, 392, 395, 410, 490, 553, 560, 574, 632, 656, 784, 790, 820, 980, 1106, 1148, 1264, 1435, 1580, 1640, 1960, 2009, 2212, 2296, 2765, 2870, 3160, 3239, 3280, 3871, 3920, 4018, 4424, 4592, 5530, 5740, 6320, 6478, 7742, 8036, 8848, 10045, 11060, 11480, 12956, 15484, 16072, 16195, 19355, 20090, 22120, 22673, 22960, 25912, 30968, 32144, 32390, 38710, 40180, 44240, 45346, 51824, 61936, 64780, 77420, 80360, 90692, 113365, 129560, 154840, 158711, 160720, 181384, 226730, 259120, 309680, 317422, 362768, 453460, 634844, 793555, 906920, 1269688, 1587110, 1813840, 2539376, 3174220, 6348440, 12696880]

約数ペア:

[(1, 12696880), (2, 6348440), (4, 3174220), (5, 2539376), (7, 1813840), (8, 1587110), (10, 1269688), (14, 906920), (16, 793555), (20, 634844), (28, 453460), (35, 362768), (40, 317422), (41, 309680), (49, 259120), (56, 226730), (70, 181384), (79, 160720), (80, 158711), (82, 154840), (98, 129560), (112, 113365), (140, 90692), (158, 80360), (164, 77420), (196, 64780), (205, 61936), (245, 51824), (280, 45346), (287, 44240), (316, 40180), (328, 38710), (392, 32390), (395, 32144), (410, 30968), (490, 25912), (553, 22960), (560, 22673), (574, 22120), (632, 20090), (656, 19355), (784, 16195), (790, 16072), (820, 15484), (980, 12956), (1106, 11480), (1148, 11060), (1264, 10045), (1435, 8848), (1580, 8036), (1640, 7742), (1960, 6478), (2009, 6320), (2212, 5740), (2296, 5530), (2765, 4592), (2870, 4424), (3160, 4018), (3239, 3920), (3280, 3871)]