19885440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10357}}^1$

素因数の和:10379

約数の個数: 64

約数和(自身を含む): 63390960

約数和(自身を除く): 43505520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10357, 20714, 31071, 41428, 51785, 62142, 82856, 103570, 124284, 155355, 165712, 207140, 248568, 310710, 331424, 414280, 497136, 621420, 662848, 828560, 994272, 1242840, 1325696, 1657120, 1988544, 2485680, 3314240, 3977088, 4971360, 6628480, 9942720, 19885440]

約数ペア:

[(1, 19885440), (2, 9942720), (3, 6628480), (4, 4971360), (5, 3977088), (6, 3314240), (8, 2485680), (10, 1988544), (12, 1657120), (15, 1325696), (16, 1242840), (20, 994272), (24, 828560), (30, 662848), (32, 621420), (40, 497136), (48, 414280), (60, 331424), (64, 310710), (80, 248568), (96, 207140), (120, 165712), (128, 155355), (160, 124284), (192, 103570), (240, 82856), (320, 62142), (384, 51785), (480, 41428), (640, 31071), (960, 20714), (1920, 10357)]