307870720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:565

約数の個数: 88

約数和(自身を含む): 745173504

約数和(自身を除く): 437302784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 256, 314, 320, 383, 512, 628, 640, 766, 785, 1024, 1256, 1280, 1532, 1570, 1915, 2512, 2560, 3064, 3140, 3830, 5024, 5120, 6128, 6280, 7660, 10048, 12256, 12560, 15320, 20096, 24512, 25120, 30640, 40192, 49024, 50240, 60131, 61280, 80384, 98048, 100480, 120262, 122560, 160768, 196096, 200960, 240524, 245120, 300655, 392192, 401920, 481048, 490240, 601310, 803840, 962096, 980480, 1202620, 1924192, 1960960, 2405240, 3848384, 4810480, 7696768, 9620960, 15393536, 19241920, 30787072, 38483840, 61574144, 76967680, 153935360, 307870720]

約数ペア:

[(1, 307870720), (2, 153935360), (4, 76967680), (5, 61574144), (8, 38483840), (10, 30787072), (16, 19241920), (20, 15393536), (32, 9620960), (40, 7696768), (64, 4810480), (80, 3848384), (128, 2405240), (157, 1960960), (160, 1924192), (256, 1202620), (314, 980480), (320, 962096), (383, 803840), (512, 601310), (628, 490240), (640, 481048), (766, 401920), (785, 392192), (1024, 300655), (1256, 245120), (1280, 240524), (1532, 200960), (1570, 196096), (1915, 160768), (2512, 122560), (2560, 120262), (3064, 100480), (3140, 98048), (3830, 80384), (5024, 61280), (5120, 60131), (6128, 50240), (6280, 49024), (7660, 40192), (10048, 30640), (12256, 25120), (12560, 24512), (15320, 20096)]