20538553680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{108463}}^1$

素因数の和:108745

約数の個数: 120

約数和(自身を含む): 69238211328

約数和(自身を除く): 48699657648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 263, 360, 526, 720, 789, 1052, 1315, 1578, 2104, 2367, 2630, 3156, 3945, 4208, 4734, 5260, 6312, 7890, 9468, 10520, 11835, 12624, 15780, 18936, 21040, 23670, 31560, 37872, 47340, 63120, 94680, 108463, 189360, 216926, 325389, 433852, 542315, 650778, 867704, 976167, 1084630, 1301556, 1626945, 1735408, 1952334, 2169260, 2603112, 3253890, 3904668, 4338520, 4880835, 5206224, 6507780, 7809336, 8677040, 9761670, 13015560, 15618672, 19523340, 26031120, 28525769, 39046680, 57051538, 78093360, 85577307, 114103076, 142628845, 171154614, 228206152, 256731921, 285257690, 342309228, 427886535, 456412304, 513463842, 570515380, 684618456, 855773070, 1026927684, 1141030760, 1283659605, 1369236912, 1711546140, 2053855368, 2282061520, 2567319210, 3423092280, 4107710736, 5134638420, 6846184560, 10269276840, 20538553680]

約数ペア:

[(1, 20538553680), (2, 10269276840), (3, 6846184560), (4, 5134638420), (5, 4107710736), (6, 3423092280), (8, 2567319210), (9, 2282061520), (10, 2053855368), (12, 1711546140), (15, 1369236912), (16, 1283659605), (18, 1141030760), (20, 1026927684), (24, 855773070), (30, 684618456), (36, 570515380), (40, 513463842), (45, 456412304), (48, 427886535), (60, 342309228), (72, 285257690), (80, 256731921), (90, 228206152), (120, 171154614), (144, 142628845), (180, 114103076), (240, 85577307), (263, 78093360), (360, 57051538), (526, 39046680), (720, 28525769), (789, 26031120), (1052, 19523340), (1315, 15618672), (1578, 13015560), (2104, 9761670), (2367, 8677040), (2630, 7809336), (3156, 6507780), (3945, 5206224), (4208, 4880835), (4734, 4338520), (5260, 3904668), (6312, 3253890), (7890, 2603112), (9468, 2169260), (10520, 1952334), (11835, 1735408), (12624, 1626945), (15780, 1301556), (18936, 1084630), (21040, 976167), (23670, 867704), (31560, 650778), (37872, 542315), (47340, 433852), (63120, 325389), (94680, 216926), (108463, 189360)]