18876960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13109}}^1$

素因数の和:13130

約数の個数: 72

約数和(自身を含む): 64422540

約数和(自身を除く): 45545580

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13109, 26218, 39327, 52436, 65545, 78654, 104872, 117981, 131090, 157308, 196635, 209744, 235962, 262180, 314616, 393270, 419488, 471924, 524360, 589905, 629232, 786540, 943848, 1048720, 1179810, 1258464, 1573080, 1887696, 2097440, 2359620, 3146160, 3775392, 4719240, 6292320, 9438480, 18876960]

約数ペア:

[(1, 18876960), (2, 9438480), (3, 6292320), (4, 4719240), (5, 3775392), (6, 3146160), (8, 2359620), (9, 2097440), (10, 1887696), (12, 1573080), (15, 1258464), (16, 1179810), (18, 1048720), (20, 943848), (24, 786540), (30, 629232), (32, 589905), (36, 524360), (40, 471924), (45, 419488), (48, 393270), (60, 314616), (72, 262180), (80, 235962), (90, 209744), (96, 196635), (120, 157308), (144, 131090), (160, 117981), (180, 104872), (240, 78654), (288, 65545), (360, 52436), (480, 39327), (720, 26218), (1440, 13109)]