18638100

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:101

約数の個数: 216

約数和(自身を含む): 66349920

約数和(自身を除く): 47711820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 59, 60, 65, 75, 78, 81, 90, 100, 108, 117, 118, 130, 135, 150, 156, 162, 177, 180, 195, 225, 234, 236, 243, 260, 270, 295, 300, 324, 325, 351, 354, 390, 405, 450, 468, 486, 531, 540, 585, 590, 650, 675, 702, 708, 767, 780, 810, 885, 900, 972, 975, 1053, 1062, 1170, 1180, 1215, 1300, 1350, 1404, 1475, 1534, 1593, 1620, 1755, 1770, 1950, 2025, 2106, 2124, 2301, 2340, 2430, 2655, 2700, 2925, 2950, 3068, 3159, 3186, 3510, 3540, 3835, 3900, 4050, 4212, 4425, 4602, 4779, 4860, 5265, 5310, 5850, 5900, 6075, 6318, 6372, 6903, 7020, 7670, 7965, 8100, 8775, 8850, 9204, 9558, 10530, 10620, 11505, 11700, 12150, 12636, 13275, 13806, 14337, 15340, 15795, 15930, 17550, 17700, 19116, 19175, 20709, 21060, 23010, 23895, 24300, 26325, 26550, 27612, 28674, 31590, 31860, 34515, 35100, 38350, 39825, 41418, 46020, 47790, 52650, 53100, 57348, 57525, 62127, 63180, 69030, 71685, 76700, 78975, 79650, 82836, 95580, 103545, 105300, 115050, 119475, 124254, 138060, 143370, 157950, 159300, 172575, 186381, 207090, 230100, 238950, 248508, 286740, 310635, 315900, 345150, 358425, 372762, 414180, 477900, 517725, 621270, 690300, 716850, 745524, 931905, 1035450, 1242540, 1433700, 1553175, 1863810, 2070900, 3106350, 3727620, 4659525, 6212700, 9319050, 18638100]

約数ペア:

[(1, 18638100), (2, 9319050), (3, 6212700), (4, 4659525), (5, 3727620), (6, 3106350), (9, 2070900), (10, 1863810), (12, 1553175), (13, 1433700), (15, 1242540), (18, 1035450), (20, 931905), (25, 745524), (26, 716850), (27, 690300), (30, 621270), (36, 517725), (39, 477900), (45, 414180), (50, 372762), (52, 358425), (54, 345150), (59, 315900), (60, 310635), (65, 286740), (75, 248508), (78, 238950), (81, 230100), (90, 207090), (100, 186381), (108, 172575), (117, 159300), (118, 157950), (130, 143370), (135, 138060), (150, 124254), (156, 119475), (162, 115050), (177, 105300), (180, 103545), (195, 95580), (225, 82836), (234, 79650), (236, 78975), (243, 76700), (260, 71685), (270, 69030), (295, 63180), (300, 62127), (324, 57525), (325, 57348), (351, 53100), (354, 52650), (390, 47790), (405, 46020), (450, 41418), (468, 39825), (486, 38350), (531, 35100), (540, 34515), (585, 31860), (590, 31590), (650, 28674), (675, 27612), (702, 26550), (708, 26325), (767, 24300), (780, 23895), (810, 23010), (885, 21060), (900, 20709), (972, 19175), (975, 19116), (1053, 17700), (1062, 17550), (1170, 15930), (1180, 15795), (1215, 15340), (1300, 14337), (1350, 13806), (1404, 13275), (1475, 12636), (1534, 12150), (1593, 11700), (1620, 11505), (1755, 10620), (1770, 10530), (1950, 9558), (2025, 9204), (2106, 8850), (2124, 8775), (2301, 8100), (2340, 7965), (2430, 7670), (2655, 7020), (2700, 6903), (2925, 6372), (2950, 6318), (3068, 6075), (3159, 5900), (3186, 5850), (3510, 5310), (3540, 5265), (3835, 4860), (3900, 4779), (4050, 4602), (4212, 4425)]