688140720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23311}}^1$

素因数の和:23371

約数の個数: 120

約数和(自身を含む): 2367473472

約数和(自身を除く): 1679332752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 120, 123, 144, 164, 180, 205, 240, 246, 328, 360, 369, 410, 492, 615, 656, 720, 738, 820, 984, 1230, 1476, 1640, 1845, 1968, 2460, 2952, 3280, 3690, 4920, 5904, 7380, 9840, 14760, 23311, 29520, 46622, 69933, 93244, 116555, 139866, 186488, 209799, 233110, 279732, 349665, 372976, 419598, 466220, 559464, 699330, 839196, 932440, 955751, 1048995, 1118928, 1398660, 1678392, 1864880, 1911502, 2097990, 2797320, 2867253, 3356784, 3823004, 4195980, 4778755, 5594640, 5734506, 7646008, 8391960, 8601759, 9557510, 11469012, 14336265, 15292016, 16783920, 17203518, 19115020, 22938024, 28672530, 34407036, 38230040, 43008795, 45876048, 57345060, 68814072, 76460080, 86017590, 114690120, 137628144, 172035180, 229380240, 344070360, 688140720]

約数ペア:

[(1, 688140720), (2, 344070360), (3, 229380240), (4, 172035180), (5, 137628144), (6, 114690120), (8, 86017590), (9, 76460080), (10, 68814072), (12, 57345060), (15, 45876048), (16, 43008795), (18, 38230040), (20, 34407036), (24, 28672530), (30, 22938024), (36, 19115020), (40, 17203518), (41, 16783920), (45, 15292016), (48, 14336265), (60, 11469012), (72, 9557510), (80, 8601759), (82, 8391960), (90, 7646008), (120, 5734506), (123, 5594640), (144, 4778755), (164, 4195980), (180, 3823004), (205, 3356784), (240, 2867253), (246, 2797320), (328, 2097990), (360, 1911502), (369, 1864880), (410, 1678392), (492, 1398660), (615, 1118928), (656, 1048995), (720, 955751), (738, 932440), (820, 839196), (984, 699330), (1230, 559464), (1476, 466220), (1640, 419598), (1845, 372976), (1968, 349665), (2460, 279732), (2952, 233110), (3280, 209799), (3690, 186488), (4920, 139866), (5904, 116555), (7380, 93244), (9840, 69933), (14760, 46622), (23311, 29520)]