206828880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:549

約数の個数: 160

約数和(自身を含む): 678170880

約数和(自身を除く): 471342000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 89, 92, 115, 120, 138, 178, 184, 230, 240, 267, 276, 345, 356, 368, 421, 445, 460, 534, 552, 690, 712, 842, 890, 920, 1068, 1104, 1263, 1335, 1380, 1424, 1684, 1780, 1840, 2047, 2105, 2136, 2526, 2670, 2760, 3368, 3560, 4094, 4210, 4272, 5052, 5340, 5520, 6141, 6315, 6736, 7120, 8188, 8420, 9683, 10104, 10235, 10680, 12282, 12630, 16376, 16840, 19366, 20208, 20470, 21360, 24564, 25260, 29049, 30705, 32752, 33680, 37469, 38732, 40940, 48415, 49128, 50520, 58098, 61410, 74938, 77464, 81880, 96830, 98256, 101040, 112407, 116196, 122820, 145245, 149876, 154928, 163760, 187345, 193660, 224814, 232392, 245640, 290490, 299752, 374690, 387320, 449628, 464784, 491280, 562035, 580980, 599504, 749380, 774640, 861787, 899256, 1124070, 1161960, 1498760, 1723574, 1798512, 2248140, 2323920, 2585361, 2997520, 3447148, 4308935, 4496280, 5170722, 6894296, 8617870, 8992560, 10341444, 12926805, 13788592, 17235740, 20682888, 25853610, 34471480, 41365776, 51707220, 68942960, 103414440, 206828880]

約数ペア:

[(1, 206828880), (2, 103414440), (3, 68942960), (4, 51707220), (5, 41365776), (6, 34471480), (8, 25853610), (10, 20682888), (12, 17235740), (15, 13788592), (16, 12926805), (20, 10341444), (23, 8992560), (24, 8617870), (30, 6894296), (40, 5170722), (46, 4496280), (48, 4308935), (60, 3447148), (69, 2997520), (80, 2585361), (89, 2323920), (92, 2248140), (115, 1798512), (120, 1723574), (138, 1498760), (178, 1161960), (184, 1124070), (230, 899256), (240, 861787), (267, 774640), (276, 749380), (345, 599504), (356, 580980), (368, 562035), (421, 491280), (445, 464784), (460, 449628), (534, 387320), (552, 374690), (690, 299752), (712, 290490), (842, 245640), (890, 232392), (920, 224814), (1068, 193660), (1104, 187345), (1263, 163760), (1335, 154928), (1380, 149876), (1424, 145245), (1684, 122820), (1780, 116196), (1840, 112407), (2047, 101040), (2105, 98256), (2136, 96830), (2526, 81880), (2670, 77464), (2760, 74938), (3368, 61410), (3560, 58098), (4094, 50520), (4210, 49128), (4272, 48415), (5052, 40940), (5340, 38732), (5520, 37469), (6141, 33680), (6315, 32752), (6736, 30705), (7120, 29049), (8188, 25260), (8420, 24564), (9683, 21360), (10104, 20470), (10235, 20208), (10680, 19366), (12282, 16840), (12630, 16376)]