18162900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{31}}^2$

素因数の和:92

約数の個数: 216

約数和(自身を含む): 68953920

約数和(自身を除く): 50791020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 31, 35, 36, 42, 45, 50, 54, 60, 62, 63, 70, 75, 84, 90, 93, 100, 105, 108, 124, 126, 135, 140, 150, 155, 175, 180, 186, 189, 210, 217, 225, 252, 270, 279, 300, 310, 315, 350, 372, 378, 420, 434, 450, 465, 525, 540, 558, 620, 630, 651, 675, 700, 756, 775, 837, 868, 900, 930, 945, 961, 1050, 1085, 1116, 1260, 1302, 1350, 1395, 1550, 1575, 1674, 1860, 1890, 1922, 1953, 2100, 2170, 2325, 2604, 2700, 2790, 2883, 3100, 3150, 3255, 3348, 3780, 3844, 3906, 4185, 4340, 4650, 4725, 4805, 5425, 5580, 5766, 5859, 6300, 6510, 6727, 6975, 7812, 8370, 8649, 9300, 9450, 9610, 9765, 10850, 11532, 11718, 13020, 13454, 13950, 14415, 16275, 16740, 17298, 18900, 19220, 19530, 20181, 20925, 21700, 23436, 24025, 25947, 26908, 27900, 28830, 29295, 32550, 33635, 34596, 39060, 40362, 41850, 43245, 48050, 48825, 51894, 57660, 58590, 60543, 65100, 67270, 72075, 80724, 83700, 86490, 96100, 97650, 100905, 103788, 117180, 121086, 129735, 134540, 144150, 146475, 168175, 172980, 181629, 195300, 201810, 216225, 242172, 259470, 288300, 292950, 302715, 336350, 363258, 403620, 432450, 504525, 518940, 585900, 605430, 648675, 672700, 726516, 864900, 908145, 1009050, 1210860, 1297350, 1513575, 1816290, 2018100, 2594700, 3027150, 3632580, 4540725, 6054300, 9081450, 18162900]

約数ペア:

[(1, 18162900), (2, 9081450), (3, 6054300), (4, 4540725), (5, 3632580), (6, 3027150), (7, 2594700), (9, 2018100), (10, 1816290), (12, 1513575), (14, 1297350), (15, 1210860), (18, 1009050), (20, 908145), (21, 864900), (25, 726516), (27, 672700), (28, 648675), (30, 605430), (31, 585900), (35, 518940), (36, 504525), (42, 432450), (45, 403620), (50, 363258), (54, 336350), (60, 302715), (62, 292950), (63, 288300), (70, 259470), (75, 242172), (84, 216225), (90, 201810), (93, 195300), (100, 181629), (105, 172980), (108, 168175), (124, 146475), (126, 144150), (135, 134540), (140, 129735), (150, 121086), (155, 117180), (175, 103788), (180, 100905), (186, 97650), (189, 96100), (210, 86490), (217, 83700), (225, 80724), (252, 72075), (270, 67270), (279, 65100), (300, 60543), (310, 58590), (315, 57660), (350, 51894), (372, 48825), (378, 48050), (420, 43245), (434, 41850), (450, 40362), (465, 39060), (525, 34596), (540, 33635), (558, 32550), (620, 29295), (630, 28830), (651, 27900), (675, 26908), (700, 25947), (756, 24025), (775, 23436), (837, 21700), (868, 20925), (900, 20181), (930, 19530), (945, 19220), (961, 18900), (1050, 17298), (1085, 16740), (1116, 16275), (1260, 14415), (1302, 13950), (1350, 13454), (1395, 13020), (1550, 11718), (1575, 11532), (1674, 10850), (1860, 9765), (1890, 9610), (1922, 9450), (1953, 9300), (2100, 8649), (2170, 8370), (2325, 7812), (2604, 6975), (2700, 6727), (2790, 6510), (2883, 6300), (3100, 5859), (3150, 5766), (3255, 5580), (3348, 5425), (3780, 4805), (3844, 4725), (3906, 4650), (4185, 4340)]