18690480

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:548

約数の個数: 160

約数和(自身を含む): 68299200

約数和(自身を除く): 49608720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 102, 108, 120, 135, 136, 144, 153, 170, 180, 204, 216, 240, 255, 270, 272, 306, 340, 360, 408, 432, 459, 509, 510, 540, 612, 680, 720, 765, 816, 918, 1018, 1020, 1080, 1224, 1360, 1527, 1530, 1836, 2036, 2040, 2160, 2295, 2448, 2545, 3054, 3060, 3672, 4072, 4080, 4581, 4590, 5090, 6108, 6120, 7344, 7635, 8144, 8653, 9162, 9180, 10180, 12216, 12240, 13743, 15270, 17306, 18324, 18360, 20360, 22905, 24432, 25959, 27486, 30540, 34612, 36648, 36720, 40720, 43265, 45810, 51918, 54972, 61080, 68715, 69224, 73296, 77877, 86530, 91620, 103836, 109944, 122160, 129795, 137430, 138448, 155754, 173060, 183240, 207672, 219888, 233631, 259590, 274860, 311508, 346120, 366480, 389385, 415344, 467262, 519180, 549720, 623016, 692240, 778770, 934524, 1038360, 1099440, 1168155, 1246032, 1557540, 1869048, 2076720, 2336310, 3115080, 3738096, 4672620, 6230160, 9345240, 18690480]

約数ペア:

[(1, 18690480), (2, 9345240), (3, 6230160), (4, 4672620), (5, 3738096), (6, 3115080), (8, 2336310), (9, 2076720), (10, 1869048), (12, 1557540), (15, 1246032), (16, 1168155), (17, 1099440), (18, 1038360), (20, 934524), (24, 778770), (27, 692240), (30, 623016), (34, 549720), (36, 519180), (40, 467262), (45, 415344), (48, 389385), (51, 366480), (54, 346120), (60, 311508), (68, 274860), (72, 259590), (80, 233631), (85, 219888), (90, 207672), (102, 183240), (108, 173060), (120, 155754), (135, 138448), (136, 137430), (144, 129795), (153, 122160), (170, 109944), (180, 103836), (204, 91620), (216, 86530), (240, 77877), (255, 73296), (270, 69224), (272, 68715), (306, 61080), (340, 54972), (360, 51918), (408, 45810), (432, 43265), (459, 40720), (509, 36720), (510, 36648), (540, 34612), (612, 30540), (680, 27486), (720, 25959), (765, 24432), (816, 22905), (918, 20360), (1018, 18360), (1020, 18324), (1080, 17306), (1224, 15270), (1360, 13743), (1527, 12240), (1530, 12216), (1836, 10180), (2036, 9180), (2040, 9162), (2160, 8653), (2295, 8144), (2448, 7635), (2545, 7344), (3054, 6120), (3060, 6108), (3672, 5090), (4072, 4590), (4080, 4581)]