253488640

素因数分解:

$2^9\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1193}}^1$

素因数の和:1299

約数の個数: 80

約数和(自身を含む): 615616848

約数和(自身を除く): 362128208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 256, 320, 332, 415, 512, 640, 664, 830, 1193, 1280, 1328, 1660, 2386, 2560, 2656, 3320, 4772, 5312, 5965, 6640, 9544, 10624, 11930, 13280, 19088, 21248, 23860, 26560, 38176, 42496, 47720, 53120, 76352, 95440, 99019, 106240, 152704, 190880, 198038, 212480, 305408, 381760, 396076, 495095, 610816, 763520, 792152, 990190, 1527040, 1584304, 1980380, 3054080, 3168608, 3960760, 6337216, 7921520, 12674432, 15843040, 25348864, 31686080, 50697728, 63372160, 126744320, 253488640]

約数ペア:

[(1, 253488640), (2, 126744320), (4, 63372160), (5, 50697728), (8, 31686080), (10, 25348864), (16, 15843040), (20, 12674432), (32, 7921520), (40, 6337216), (64, 3960760), (80, 3168608), (83, 3054080), (128, 1980380), (160, 1584304), (166, 1527040), (256, 990190), (320, 792152), (332, 763520), (415, 610816), (512, 495095), (640, 396076), (664, 381760), (830, 305408), (1193, 212480), (1280, 198038), (1328, 190880), (1660, 152704), (2386, 106240), (2560, 99019), (2656, 95440), (3320, 76352), (4772, 53120), (5312, 47720), (5965, 42496), (6640, 38176), (9544, 26560), (10624, 23860), (11930, 21248), (13280, 19088)]