861230720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{192239}}^1$

素因数の和:192265

約数の個数: 64

約数和(自身を含む): 2353017600

約数和(自身を除く): 1491786880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 192239, 384478, 768956, 961195, 1345673, 1537912, 1922390, 2691346, 3075824, 3844780, 5382692, 6151648, 6728365, 7689560, 10765384, 12303296, 13456730, 15379120, 21530768, 24606592, 26913460, 30758240, 43061536, 53826920, 61516480, 86123072, 107653840, 123032960, 172246144, 215307680, 430615360, 861230720]

約数ペア:

[(1, 861230720), (2, 430615360), (4, 215307680), (5, 172246144), (7, 123032960), (8, 107653840), (10, 86123072), (14, 61516480), (16, 53826920), (20, 43061536), (28, 30758240), (32, 26913460), (35, 24606592), (40, 21530768), (56, 15379120), (64, 13456730), (70, 12303296), (80, 10765384), (112, 7689560), (128, 6728365), (140, 6151648), (160, 5382692), (224, 3844780), (280, 3075824), (320, 2691346), (448, 1922390), (560, 1537912), (640, 1345673), (896, 961195), (1120, 768956), (2240, 384478), (4480, 192239)]