219521520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{599}}^1$

素因数の和:1127

約数の個数: 120

約数和(自身を含む): 739908000

約数和(自身を除く): 520386480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 509, 599, 720, 1018, 1198, 1527, 1797, 2036, 2396, 2545, 2995, 3054, 3594, 4072, 4581, 4792, 5090, 5391, 5990, 6108, 7188, 7635, 8144, 8985, 9162, 9584, 10180, 10782, 11980, 12216, 14376, 15270, 17970, 18324, 20360, 21564, 22905, 23960, 24432, 26955, 28752, 30540, 35940, 36648, 40720, 43128, 45810, 47920, 53910, 61080, 71880, 73296, 86256, 91620, 107820, 122160, 143760, 183240, 215640, 304891, 366480, 431280, 609782, 914673, 1219564, 1524455, 1829346, 2439128, 2744019, 3048910, 3658692, 4573365, 4878256, 5488038, 6097820, 7317384, 9146730, 10976076, 12195640, 13720095, 14634768, 18293460, 21952152, 24391280, 27440190, 36586920, 43904304, 54880380, 73173840, 109760760, 219521520]

約数ペア:

[(1, 219521520), (2, 109760760), (3, 73173840), (4, 54880380), (5, 43904304), (6, 36586920), (8, 27440190), (9, 24391280), (10, 21952152), (12, 18293460), (15, 14634768), (16, 13720095), (18, 12195640), (20, 10976076), (24, 9146730), (30, 7317384), (36, 6097820), (40, 5488038), (45, 4878256), (48, 4573365), (60, 3658692), (72, 3048910), (80, 2744019), (90, 2439128), (120, 1829346), (144, 1524455), (180, 1219564), (240, 914673), (360, 609782), (509, 431280), (599, 366480), (720, 304891), (1018, 215640), (1198, 183240), (1527, 143760), (1797, 122160), (2036, 107820), (2396, 91620), (2545, 86256), (2995, 73296), (3054, 71880), (3594, 61080), (4072, 53910), (4581, 47920), (4792, 45810), (5090, 43128), (5391, 40720), (5990, 36648), (6108, 35940), (7188, 30540), (7635, 28752), (8144, 26955), (8985, 24432), (9162, 23960), (9584, 22905), (10180, 21564), (10782, 20360), (11980, 18324), (12216, 17970), (14376, 15270)]