284545280

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 720534528

約数和(自身を除く): 435989248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 101, 124, 128, 142, 155, 160, 202, 248, 256, 284, 310, 320, 355, 404, 496, 505, 568, 620, 640, 710, 808, 992, 1010, 1136, 1240, 1280, 1420, 1616, 1984, 2020, 2201, 2272, 2480, 2840, 3131, 3232, 3968, 4040, 4402, 4544, 4960, 5680, 6262, 6464, 7171, 7936, 8080, 8804, 9088, 9920, 11005, 11360, 12524, 12928, 14342, 15655, 16160, 17608, 18176, 19840, 22010, 22720, 25048, 25856, 28684, 31310, 32320, 35216, 35855, 39680, 44020, 45440, 50096, 57368, 62620, 64640, 70432, 71710, 88040, 90880, 100192, 114736, 125240, 129280, 140864, 143420, 176080, 200384, 222301, 229472, 250480, 281728, 286840, 352160, 400768, 444602, 458944, 500960, 563456, 573680, 704320, 801536, 889204, 917888, 1001920, 1111505, 1147360, 1408640, 1778408, 1835776, 2003840, 2223010, 2294720, 2817280, 3556816, 4007680, 4446020, 4589440, 7113632, 8892040, 9178880, 14227264, 17784080, 28454528, 35568160, 56909056, 71136320, 142272640, 284545280]

約数ペア:

[(1, 284545280), (2, 142272640), (4, 71136320), (5, 56909056), (8, 35568160), (10, 28454528), (16, 17784080), (20, 14227264), (31, 9178880), (32, 8892040), (40, 7113632), (62, 4589440), (64, 4446020), (71, 4007680), (80, 3556816), (101, 2817280), (124, 2294720), (128, 2223010), (142, 2003840), (155, 1835776), (160, 1778408), (202, 1408640), (248, 1147360), (256, 1111505), (284, 1001920), (310, 917888), (320, 889204), (355, 801536), (404, 704320), (496, 573680), (505, 563456), (568, 500960), (620, 458944), (640, 444602), (710, 400768), (808, 352160), (992, 286840), (1010, 281728), (1136, 250480), (1240, 229472), (1280, 222301), (1420, 200384), (1616, 176080), (1984, 143420), (2020, 140864), (2201, 129280), (2272, 125240), (2480, 114736), (2840, 100192), (3131, 90880), (3232, 88040), (3968, 71710), (4040, 70432), (4402, 64640), (4544, 62620), (4960, 57368), (5680, 50096), (6262, 45440), (6464, 44020), (7171, 39680), (7936, 35855), (8080, 35216), (8804, 32320), (9088, 31310), (9920, 28684), (11005, 25856), (11360, 25048), (12524, 22720), (12928, 22010), (14342, 19840), (15655, 18176), (16160, 17608)]