216908640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11587}}^1$

素因数の和:11621

約数の個数: 144

約数和(自身を含む): 797208048

約数和(自身を除く): 580299408

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 11587, 18720, 23174, 34761, 46348, 57935, 69522, 92696, 104283, 115870, 139044, 150631, 173805, 185392, 208566, 231740, 278088, 301262, 347610, 370784, 417132, 451893, 463480, 521415, 556176, 602524, 695220, 753155, 834264, 903786, 926960, 1042830, 1112352, 1205048, 1355679, 1390440, 1506310, 1668528, 1807572, 1853920, 2085660, 2259465, 2410096, 2711358, 2780880, 3012620, 3337056, 3615144, 4171320, 4518930, 4820192, 5422716, 5561760, 6025240, 6778395, 7230288, 8342640, 9037860, 10845432, 12050480, 13556790, 14460576, 16685280, 18075720, 21690864, 24100960, 27113580, 36151440, 43381728, 54227160, 72302880, 108454320, 216908640]

約数ペア:

[(1, 216908640), (2, 108454320), (3, 72302880), (4, 54227160), (5, 43381728), (6, 36151440), (8, 27113580), (9, 24100960), (10, 21690864), (12, 18075720), (13, 16685280), (15, 14460576), (16, 13556790), (18, 12050480), (20, 10845432), (24, 9037860), (26, 8342640), (30, 7230288), (32, 6778395), (36, 6025240), (39, 5561760), (40, 5422716), (45, 4820192), (48, 4518930), (52, 4171320), (60, 3615144), (65, 3337056), (72, 3012620), (78, 2780880), (80, 2711358), (90, 2410096), (96, 2259465), (104, 2085660), (117, 1853920), (120, 1807572), (130, 1668528), (144, 1506310), (156, 1390440), (160, 1355679), (180, 1205048), (195, 1112352), (208, 1042830), (234, 926960), (240, 903786), (260, 834264), (288, 753155), (312, 695220), (360, 602524), (390, 556176), (416, 521415), (468, 463480), (480, 451893), (520, 417132), (585, 370784), (624, 347610), (720, 301262), (780, 278088), (936, 231740), (1040, 208566), (1170, 185392), (1248, 173805), (1440, 150631), (1560, 139044), (1872, 115870), (2080, 104283), (2340, 92696), (3120, 69522), (3744, 57935), (4680, 46348), (6240, 34761), (9360, 23174), (11587, 18720)]