248530720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:698

約数の個数: 96

約数和(自身を含む): 613992960

約数和(自身を除く): 365462240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 89, 124, 155, 160, 178, 248, 310, 356, 445, 496, 563, 620, 712, 890, 992, 1126, 1240, 1424, 1780, 2252, 2480, 2759, 2815, 2848, 3560, 4504, 4960, 5518, 5630, 7120, 9008, 11036, 11260, 13795, 14240, 17453, 18016, 22072, 22520, 27590, 34906, 44144, 45040, 50107, 55180, 69812, 87265, 88288, 90080, 100214, 110360, 139624, 174530, 200428, 220720, 250535, 279248, 349060, 400856, 441440, 501070, 558496, 698120, 801712, 1002140, 1396240, 1553317, 1603424, 2004280, 2792480, 3106634, 4008560, 6213268, 7766585, 8017120, 12426536, 15533170, 24853072, 31066340, 49706144, 62132680, 124265360, 248530720]

約数ペア:

[(1, 248530720), (2, 124265360), (4, 62132680), (5, 49706144), (8, 31066340), (10, 24853072), (16, 15533170), (20, 12426536), (31, 8017120), (32, 7766585), (40, 6213268), (62, 4008560), (80, 3106634), (89, 2792480), (124, 2004280), (155, 1603424), (160, 1553317), (178, 1396240), (248, 1002140), (310, 801712), (356, 698120), (445, 558496), (496, 501070), (563, 441440), (620, 400856), (712, 349060), (890, 279248), (992, 250535), (1126, 220720), (1240, 200428), (1424, 174530), (1780, 139624), (2252, 110360), (2480, 100214), (2759, 90080), (2815, 88288), (2848, 87265), (3560, 69812), (4504, 55180), (4960, 50107), (5518, 45040), (5630, 44144), (7120, 34906), (9008, 27590), (11036, 22520), (11260, 22072), (13795, 18016), (14240, 17453)]