685127280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1415

約数の個数: 160

約数和(自身を含む): 2225000448

約数和(自身を除く): 1539873168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 71, 80, 93, 120, 124, 142, 155, 186, 213, 240, 248, 284, 310, 355, 372, 426, 465, 496, 568, 620, 710, 744, 852, 930, 1065, 1136, 1240, 1297, 1420, 1488, 1704, 1860, 2130, 2201, 2480, 2594, 2840, 3408, 3720, 3891, 4260, 4402, 5188, 5680, 6485, 6603, 7440, 7782, 8520, 8804, 10376, 11005, 12970, 13206, 15564, 17040, 17608, 19455, 20752, 22010, 25940, 26412, 31128, 33015, 35216, 38910, 40207, 44020, 51880, 52824, 62256, 66030, 77820, 80414, 88040, 92087, 103760, 105648, 120621, 132060, 155640, 160828, 176080, 184174, 201035, 241242, 264120, 276261, 311280, 321656, 368348, 402070, 460435, 482484, 528240, 552522, 603105, 643312, 736696, 804140, 920870, 964968, 1105044, 1206210, 1381305, 1473392, 1608280, 1841740, 1929936, 2210088, 2412420, 2762610, 2854697, 3216560, 3683480, 4420176, 4824840, 5525220, 5709394, 7366960, 8564091, 9649680, 11050440, 11418788, 14273485, 17128182, 22100880, 22837576, 28546970, 34256364, 42820455, 45675152, 57093940, 68512728, 85640910, 114187880, 137025456, 171281820, 228375760, 342563640, 685127280]

約数ペア:

[(1, 685127280), (2, 342563640), (3, 228375760), (4, 171281820), (5, 137025456), (6, 114187880), (8, 85640910), (10, 68512728), (12, 57093940), (15, 45675152), (16, 42820455), (20, 34256364), (24, 28546970), (30, 22837576), (31, 22100880), (40, 17128182), (48, 14273485), (60, 11418788), (62, 11050440), (71, 9649680), (80, 8564091), (93, 7366960), (120, 5709394), (124, 5525220), (142, 4824840), (155, 4420176), (186, 3683480), (213, 3216560), (240, 2854697), (248, 2762610), (284, 2412420), (310, 2210088), (355, 1929936), (372, 1841740), (426, 1608280), (465, 1473392), (496, 1381305), (568, 1206210), (620, 1105044), (710, 964968), (744, 920870), (852, 804140), (930, 736696), (1065, 643312), (1136, 603105), (1240, 552522), (1297, 528240), (1420, 482484), (1488, 460435), (1704, 402070), (1860, 368348), (2130, 321656), (2201, 311280), (2480, 276261), (2594, 264120), (2840, 241242), (3408, 201035), (3720, 184174), (3891, 176080), (4260, 160828), (4402, 155640), (5188, 132060), (5680, 120621), (6485, 105648), (6603, 103760), (7440, 92087), (7782, 88040), (8520, 80414), (8804, 77820), (10376, 66030), (11005, 62256), (12970, 52824), (13206, 51880), (15564, 44020), (17040, 40207), (17608, 38910), (19455, 35216), (20752, 33015), (22010, 31128), (25940, 26412)]