81996840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3301}}^1$

素因数の和:3344

約数の個数: 128

約数和(自身を含む): 285292800

約数和(自身を除く): 203295960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 828, 920, 1035, 1080, 1242, 1380, 1656, 2070, 2484, 2760, 3105, 3301, 4140, 4968, 6210, 6602, 8280, 9903, 12420, 13204, 16505, 19806, 24840, 26408, 29709, 33010, 39612, 49515, 59418, 66020, 75923, 79224, 89127, 99030, 118836, 132040, 148545, 151846, 178254, 198060, 227769, 237672, 297090, 303692, 356508, 379615, 396120, 445635, 455538, 594180, 607384, 683307, 713016, 759230, 891270, 911076, 1138845, 1188360, 1366614, 1518460, 1782540, 1822152, 2049921, 2277690, 2733228, 3036920, 3416535, 3565080, 4099842, 4555380, 5466456, 6833070, 8199684, 9110760, 10249605, 13666140, 16399368, 20499210, 27332280, 40998420, 81996840]

約数ペア:

[(1, 81996840), (2, 40998420), (3, 27332280), (4, 20499210), (5, 16399368), (6, 13666140), (8, 10249605), (9, 9110760), (10, 8199684), (12, 6833070), (15, 5466456), (18, 4555380), (20, 4099842), (23, 3565080), (24, 3416535), (27, 3036920), (30, 2733228), (36, 2277690), (40, 2049921), (45, 1822152), (46, 1782540), (54, 1518460), (60, 1366614), (69, 1188360), (72, 1138845), (90, 911076), (92, 891270), (108, 759230), (115, 713016), (120, 683307), (135, 607384), (138, 594180), (180, 455538), (184, 445635), (207, 396120), (216, 379615), (230, 356508), (270, 303692), (276, 297090), (345, 237672), (360, 227769), (414, 198060), (460, 178254), (540, 151846), (552, 148545), (621, 132040), (690, 118836), (828, 99030), (920, 89127), (1035, 79224), (1080, 75923), (1242, 66020), (1380, 59418), (1656, 49515), (2070, 39612), (2484, 33010), (2760, 29709), (3105, 26408), (3301, 24840), (4140, 19806), (4968, 16505), (6210, 13204), (6602, 12420), (8280, 9903)]