77141920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:470

約数の個数: 96

約数和(自身を含む): 195955200

約数和(自身を除く): 118813280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 79, 80, 85, 136, 158, 160, 170, 272, 316, 340, 359, 395, 544, 632, 680, 718, 790, 1264, 1343, 1360, 1436, 1580, 1795, 2528, 2686, 2720, 2872, 3160, 3590, 5372, 5744, 6103, 6320, 6715, 7180, 10744, 11488, 12206, 12640, 13430, 14360, 21488, 24412, 26860, 28361, 28720, 30515, 42976, 48824, 53720, 56722, 57440, 61030, 97648, 107440, 113444, 122060, 141805, 195296, 214880, 226888, 244120, 283610, 453776, 482137, 488240, 567220, 907552, 964274, 976480, 1134440, 1928548, 2268880, 2410685, 3857096, 4537760, 4821370, 7714192, 9642740, 15428384, 19285480, 38570960, 77141920]

約数ペア:

[(1, 77141920), (2, 38570960), (4, 19285480), (5, 15428384), (8, 9642740), (10, 7714192), (16, 4821370), (17, 4537760), (20, 3857096), (32, 2410685), (34, 2268880), (40, 1928548), (68, 1134440), (79, 976480), (80, 964274), (85, 907552), (136, 567220), (158, 488240), (160, 482137), (170, 453776), (272, 283610), (316, 244120), (340, 226888), (359, 214880), (395, 195296), (544, 141805), (632, 122060), (680, 113444), (718, 107440), (790, 97648), (1264, 61030), (1343, 57440), (1360, 56722), (1436, 53720), (1580, 48824), (1795, 42976), (2528, 30515), (2686, 28720), (2720, 28361), (2872, 26860), (3160, 24412), (3590, 21488), (5372, 14360), (5744, 13430), (6103, 12640), (6320, 12206), (6715, 11488), (7180, 10744)]