517367680

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:432

約数の個数: 128

約数和(自身を含む): 1295481600

約数和(自身を除く): 778113920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 89, 124, 128, 155, 160, 178, 248, 293, 310, 320, 356, 445, 496, 586, 620, 640, 712, 890, 992, 1172, 1240, 1424, 1465, 1780, 1984, 2344, 2480, 2759, 2848, 2930, 3560, 3968, 4688, 4960, 5518, 5696, 5860, 7120, 9083, 9376, 9920, 11036, 11392, 11720, 13795, 14240, 18166, 18752, 19840, 22072, 23440, 26077, 27590, 28480, 36332, 37504, 44144, 45415, 46880, 52154, 55180, 56960, 72664, 88288, 90830, 93760, 104308, 110360, 130385, 145328, 176576, 181660, 187520, 208616, 220720, 260770, 290656, 353152, 363320, 417232, 441440, 521540, 581312, 726640, 808387, 834464, 882880, 1043080, 1162624, 1453280, 1616774, 1668928, 1765760, 2086160, 2906560, 3233548, 3337856, 4041935, 4172320, 5813120, 6467096, 8083870, 8344640, 12934192, 16167740, 16689280, 25868384, 32335480, 51736768, 64670960, 103473536, 129341920, 258683840, 517367680]

約数ペア:

[(1, 517367680), (2, 258683840), (4, 129341920), (5, 103473536), (8, 64670960), (10, 51736768), (16, 32335480), (20, 25868384), (31, 16689280), (32, 16167740), (40, 12934192), (62, 8344640), (64, 8083870), (80, 6467096), (89, 5813120), (124, 4172320), (128, 4041935), (155, 3337856), (160, 3233548), (178, 2906560), (248, 2086160), (293, 1765760), (310, 1668928), (320, 1616774), (356, 1453280), (445, 1162624), (496, 1043080), (586, 882880), (620, 834464), (640, 808387), (712, 726640), (890, 581312), (992, 521540), (1172, 441440), (1240, 417232), (1424, 363320), (1465, 353152), (1780, 290656), (1984, 260770), (2344, 220720), (2480, 208616), (2759, 187520), (2848, 181660), (2930, 176576), (3560, 145328), (3968, 130385), (4688, 110360), (4960, 104308), (5518, 93760), (5696, 90830), (5860, 88288), (7120, 72664), (9083, 56960), (9376, 55180), (9920, 52154), (11036, 46880), (11392, 45415), (11720, 44144), (13795, 37504), (14240, 36332), (18166, 28480), (18752, 27590), (19840, 26077), (22072, 23440)]