280168680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11171}}^1$

素因数の和:11215

約数の個数: 128

約数和(自身を含む): 965260800

約数和(自身を除く): 685092120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 152, 165, 190, 209, 220, 228, 264, 285, 330, 380, 418, 440, 456, 570, 627, 660, 760, 836, 1045, 1140, 1254, 1320, 1672, 2090, 2280, 2508, 3135, 4180, 5016, 6270, 8360, 11171, 12540, 22342, 25080, 33513, 44684, 55855, 67026, 89368, 111710, 122881, 134052, 167565, 212249, 223420, 245762, 268104, 335130, 368643, 424498, 446840, 491524, 614405, 636747, 670260, 737286, 848996, 983048, 1061245, 1228810, 1273494, 1340520, 1474572, 1697992, 1843215, 2122490, 2334739, 2457620, 2546988, 2949144, 3183735, 3686430, 4244980, 4669478, 4915240, 5093976, 6367470, 7004217, 7372860, 8489960, 9338956, 11673695, 12734940, 14008434, 14745720, 18677912, 23347390, 25469880, 28016868, 35021085, 46694780, 56033736, 70042170, 93389560, 140084340, 280168680]

約数ペア:

[(1, 280168680), (2, 140084340), (3, 93389560), (4, 70042170), (5, 56033736), (6, 46694780), (8, 35021085), (10, 28016868), (11, 25469880), (12, 23347390), (15, 18677912), (19, 14745720), (20, 14008434), (22, 12734940), (24, 11673695), (30, 9338956), (33, 8489960), (38, 7372860), (40, 7004217), (44, 6367470), (55, 5093976), (57, 4915240), (60, 4669478), (66, 4244980), (76, 3686430), (88, 3183735), (95, 2949144), (110, 2546988), (114, 2457620), (120, 2334739), (132, 2122490), (152, 1843215), (165, 1697992), (190, 1474572), (209, 1340520), (220, 1273494), (228, 1228810), (264, 1061245), (285, 983048), (330, 848996), (380, 737286), (418, 670260), (440, 636747), (456, 614405), (570, 491524), (627, 446840), (660, 424498), (760, 368643), (836, 335130), (1045, 268104), (1140, 245762), (1254, 223420), (1320, 212249), (1672, 167565), (2090, 134052), (2280, 122881), (2508, 111710), (3135, 89368), (4180, 67026), (5016, 55855), (6270, 44684), (8360, 33513), (11171, 25080), (12540, 22342)]