81580560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9187}}^1$

素因数の和:9240

約数の個数: 80

約数和(自身を含む): 259763136

約数和(自身を除く): 178182576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 9187, 18374, 27561, 36748, 45935, 55122, 73496, 91870, 110244, 137805, 146992, 183740, 220488, 275610, 339919, 367480, 440976, 551220, 679838, 734960, 1019757, 1102440, 1359676, 1699595, 2039514, 2204880, 2719352, 3399190, 4079028, 5098785, 5438704, 6798380, 8158056, 10197570, 13596760, 16316112, 20395140, 27193520, 40790280, 81580560]

約数ペア:

[(1, 81580560), (2, 40790280), (3, 27193520), (4, 20395140), (5, 16316112), (6, 13596760), (8, 10197570), (10, 8158056), (12, 6798380), (15, 5438704), (16, 5098785), (20, 4079028), (24, 3399190), (30, 2719352), (37, 2204880), (40, 2039514), (48, 1699595), (60, 1359676), (74, 1102440), (80, 1019757), (111, 734960), (120, 679838), (148, 551220), (185, 440976), (222, 367480), (240, 339919), (296, 275610), (370, 220488), (444, 183740), (555, 146992), (592, 137805), (740, 110244), (888, 91870), (1110, 73496), (1480, 55122), (1776, 45935), (2220, 36748), (2960, 27561), (4440, 18374), (8880, 9187)]