18153720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:467

約数の個数: 160

約数和(自身を含む): 65862720

約数和(自身を除く): 47709000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 431, 468, 520, 540, 585, 648, 702, 780, 810, 862, 936, 1053, 1080, 1170, 1293, 1404, 1560, 1620, 1724, 1755, 2106, 2155, 2340, 2586, 2808, 3240, 3448, 3510, 3879, 4212, 4310, 4680, 5172, 5265, 5603, 6465, 7020, 7758, 8424, 8620, 10344, 10530, 11206, 11637, 12930, 14040, 15516, 16809, 17240, 19395, 21060, 22412, 23274, 25860, 28015, 31032, 33618, 34911, 38790, 42120, 44824, 46548, 50427, 51720, 56030, 58185, 67236, 69822, 77580, 84045, 93096, 100854, 112060, 116370, 134472, 139644, 151281, 155160, 168090, 174555, 201708, 224120, 232740, 252135, 279288, 302562, 336180, 349110, 403416, 453843, 465480, 504270, 605124, 672360, 698220, 756405, 907686, 1008540, 1210248, 1396440, 1512810, 1815372, 2017080, 2269215, 3025620, 3630744, 4538430, 6051240, 9076860, 18153720]

約数ペア:

[(1, 18153720), (2, 9076860), (3, 6051240), (4, 4538430), (5, 3630744), (6, 3025620), (8, 2269215), (9, 2017080), (10, 1815372), (12, 1512810), (13, 1396440), (15, 1210248), (18, 1008540), (20, 907686), (24, 756405), (26, 698220), (27, 672360), (30, 605124), (36, 504270), (39, 465480), (40, 453843), (45, 403416), (52, 349110), (54, 336180), (60, 302562), (65, 279288), (72, 252135), (78, 232740), (81, 224120), (90, 201708), (104, 174555), (108, 168090), (117, 155160), (120, 151281), (130, 139644), (135, 134472), (156, 116370), (162, 112060), (180, 100854), (195, 93096), (216, 84045), (234, 77580), (260, 69822), (270, 67236), (312, 58185), (324, 56030), (351, 51720), (360, 50427), (390, 46548), (405, 44824), (431, 42120), (468, 38790), (520, 34911), (540, 33618), (585, 31032), (648, 28015), (702, 25860), (780, 23274), (810, 22412), (862, 21060), (936, 19395), (1053, 17240), (1080, 16809), (1170, 15516), (1293, 14040), (1404, 12930), (1560, 11637), (1620, 11206), (1724, 10530), (1755, 10344), (2106, 8620), (2155, 8424), (2340, 7758), (2586, 7020), (2808, 6465), (3240, 5603), (3448, 5265), (3510, 5172), (3879, 4680), (4212, 4310)]