77316680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:511

約数の個数: 128

約数和(自身を含む): 216691200

約数和(自身を除く): 139374520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 37, 40, 56, 68, 70, 74, 85, 119, 136, 140, 148, 170, 185, 238, 259, 280, 296, 340, 370, 439, 476, 518, 595, 629, 680, 740, 878, 952, 1036, 1190, 1258, 1295, 1480, 1756, 2072, 2195, 2380, 2516, 2590, 3073, 3145, 3512, 4390, 4403, 4760, 5032, 5180, 6146, 6290, 7463, 8780, 8806, 10360, 12292, 12580, 14926, 15365, 16243, 17560, 17612, 22015, 24584, 25160, 29852, 30730, 32486, 35224, 37315, 44030, 52241, 59704, 61460, 64972, 74630, 81215, 88060, 104482, 113701, 122920, 129944, 149260, 162430, 176120, 208964, 227402, 261205, 276131, 298520, 324860, 417928, 454804, 522410, 552262, 568505, 649720, 909608, 1044820, 1104524, 1137010, 1380655, 1932917, 2089640, 2209048, 2274020, 2761310, 3865834, 4548040, 5522620, 7731668, 9664585, 11045240, 15463336, 19329170, 38658340, 77316680]

約数ペア:

[(1, 77316680), (2, 38658340), (4, 19329170), (5, 15463336), (7, 11045240), (8, 9664585), (10, 7731668), (14, 5522620), (17, 4548040), (20, 3865834), (28, 2761310), (34, 2274020), (35, 2209048), (37, 2089640), (40, 1932917), (56, 1380655), (68, 1137010), (70, 1104524), (74, 1044820), (85, 909608), (119, 649720), (136, 568505), (140, 552262), (148, 522410), (170, 454804), (185, 417928), (238, 324860), (259, 298520), (280, 276131), (296, 261205), (340, 227402), (370, 208964), (439, 176120), (476, 162430), (518, 149260), (595, 129944), (629, 122920), (680, 113701), (740, 104482), (878, 88060), (952, 81215), (1036, 74630), (1190, 64972), (1258, 61460), (1295, 59704), (1480, 52241), (1756, 44030), (2072, 37315), (2195, 35224), (2380, 32486), (2516, 30730), (2590, 29852), (3073, 25160), (3145, 24584), (3512, 22015), (4390, 17612), (4403, 17560), (4760, 16243), (5032, 15365), (5180, 14926), (6146, 12580), (6290, 12292), (7463, 10360), (8780, 8806)]