1983115520

素因数分解:

$2^8\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2351}}^1$

素因数の和:3031

約数の個数: 72

約数和(自身を含む): 4759413120

約数和(自身を除く): 2776297600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 659, 1280, 1318, 2351, 2636, 3295, 4702, 5272, 6590, 9404, 10544, 11755, 13180, 18808, 21088, 23510, 26360, 37616, 42176, 47020, 52720, 75232, 84352, 94040, 105440, 150464, 168704, 188080, 210880, 300928, 376160, 421760, 601856, 752320, 843520, 1504640, 1549309, 3009280, 3098618, 6197236, 7746545, 12394472, 15493090, 24788944, 30986180, 49577888, 61972360, 99155776, 123944720, 198311552, 247889440, 396623104, 495778880, 991557760, 1983115520]

約数ペア:

[(1, 1983115520), (2, 991557760), (4, 495778880), (5, 396623104), (8, 247889440), (10, 198311552), (16, 123944720), (20, 99155776), (32, 61972360), (40, 49577888), (64, 30986180), (80, 24788944), (128, 15493090), (160, 12394472), (256, 7746545), (320, 6197236), (640, 3098618), (659, 3009280), (1280, 1549309), (1318, 1504640), (2351, 843520), (2636, 752320), (3295, 601856), (4702, 421760), (5272, 376160), (6590, 300928), (9404, 210880), (10544, 188080), (11755, 168704), (13180, 150464), (18808, 105440), (21088, 94040), (23510, 84352), (26360, 75232), (37616, 52720), (42176, 47020)]