91788800

素因数分解:

$2^9\times 5^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 120

約数和(自身を含む): 232900272

約数和(自身を除く): 141111472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 101, 128, 142, 160, 200, 202, 256, 284, 320, 355, 400, 404, 505, 512, 568, 640, 710, 800, 808, 1010, 1136, 1280, 1420, 1600, 1616, 1775, 2020, 2272, 2525, 2560, 2840, 3200, 3232, 3550, 4040, 4544, 5050, 5680, 6400, 6464, 7100, 7171, 8080, 9088, 10100, 11360, 12800, 12928, 14200, 14342, 16160, 18176, 20200, 22720, 25856, 28400, 28684, 32320, 35855, 36352, 40400, 45440, 51712, 56800, 57368, 64640, 71710, 80800, 90880, 113600, 114736, 129280, 143420, 161600, 179275, 181760, 227200, 229472, 258560, 286840, 323200, 358550, 454400, 458944, 573680, 646400, 717100, 908800, 917888, 1147360, 1292800, 1434200, 1835776, 2294720, 2868400, 3671552, 4589440, 5736800, 9178880, 11473600, 18357760, 22947200, 45894400, 91788800]

約数ペア:

[(1, 91788800), (2, 45894400), (4, 22947200), (5, 18357760), (8, 11473600), (10, 9178880), (16, 5736800), (20, 4589440), (25, 3671552), (32, 2868400), (40, 2294720), (50, 1835776), (64, 1434200), (71, 1292800), (80, 1147360), (100, 917888), (101, 908800), (128, 717100), (142, 646400), (160, 573680), (200, 458944), (202, 454400), (256, 358550), (284, 323200), (320, 286840), (355, 258560), (400, 229472), (404, 227200), (505, 181760), (512, 179275), (568, 161600), (640, 143420), (710, 129280), (800, 114736), (808, 113600), (1010, 90880), (1136, 80800), (1280, 71710), (1420, 64640), (1600, 57368), (1616, 56800), (1775, 51712), (2020, 45440), (2272, 40400), (2525, 36352), (2560, 35855), (2840, 32320), (3200, 28684), (3232, 28400), (3550, 25856), (4040, 22720), (4544, 20200), (5050, 18176), (5680, 16160), (6400, 14342), (6464, 14200), (7100, 12928), (7171, 12800), (8080, 11360), (9088, 10100)]