205735320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 288

約数和(自身を含む): 792277200

約数和(自身を除く): 586541880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 107, 109, 120, 126, 140, 147, 168, 180, 196, 210, 214, 218, 245, 252, 280, 294, 315, 321, 327, 360, 392, 420, 428, 436, 441, 490, 504, 535, 545, 588, 630, 642, 654, 735, 749, 763, 840, 856, 872, 882, 963, 980, 981, 1070, 1090, 1176, 1260, 1284, 1308, 1470, 1498, 1526, 1605, 1635, 1764, 1926, 1960, 1962, 2140, 2180, 2205, 2247, 2289, 2520, 2568, 2616, 2940, 2996, 3052, 3210, 3270, 3528, 3745, 3815, 3852, 3924, 4280, 4360, 4410, 4494, 4578, 4815, 4905, 5243, 5341, 5880, 5992, 6104, 6420, 6540, 6741, 6867, 7490, 7630, 7704, 7848, 8820, 8988, 9156, 9630, 9810, 10486, 10682, 11235, 11445, 11663, 12840, 13080, 13482, 13734, 14980, 15260, 15729, 16023, 17640, 17976, 18312, 19260, 19620, 20972, 21364, 22470, 22890, 23326, 26215, 26705, 26964, 27468, 29960, 30520, 31458, 32046, 33705, 34335, 34989, 38520, 39240, 41944, 42728, 44940, 45780, 46652, 47187, 48069, 52430, 53410, 53928, 54936, 58315, 62916, 64092, 67410, 68670, 69978, 78645, 80115, 81641, 89880, 91560, 93304, 94374, 96138, 104860, 104967, 106820, 116630, 125832, 128184, 134820, 137340, 139956, 157290, 160230, 163282, 174945, 188748, 192276, 209720, 209934, 213640, 233260, 235935, 240345, 244923, 269640, 274680, 279912, 314580, 320460, 326564, 349890, 377496, 384552, 408205, 419868, 466520, 471870, 480690, 489846, 524835, 571487, 629160, 640920, 653128, 699780, 734769, 816410, 839736, 943740, 961380, 979692, 1049670, 1142974, 1224615, 1399560, 1469538, 1632820, 1714461, 1887480, 1922760, 1959384, 2099340, 2285948, 2449230, 2857435, 2939076, 3265640, 3428922, 3673845, 4198680, 4571896, 4898460, 5143383, 5714870, 5878152, 6857844, 7347690, 8572305, 9796920, 10286766, 11429740, 13715688, 14695380, 17144610, 20573532, 22859480, 25716915, 29390760, 34289220, 41147064, 51433830, 68578440, 102867660, 205735320]

約数ペア:

[(1, 205735320), (2, 102867660), (3, 68578440), (4, 51433830), (5, 41147064), (6, 34289220), (7, 29390760), (8, 25716915), (9, 22859480), (10, 20573532), (12, 17144610), (14, 14695380), (15, 13715688), (18, 11429740), (20, 10286766), (21, 9796920), (24, 8572305), (28, 7347690), (30, 6857844), (35, 5878152), (36, 5714870), (40, 5143383), (42, 4898460), (45, 4571896), (49, 4198680), (56, 3673845), (60, 3428922), (63, 3265640), (70, 2939076), (72, 2857435), (84, 2449230), (90, 2285948), (98, 2099340), (105, 1959384), (107, 1922760), (109, 1887480), (120, 1714461), (126, 1632820), (140, 1469538), (147, 1399560), (168, 1224615), (180, 1142974), (196, 1049670), (210, 979692), (214, 961380), (218, 943740), (245, 839736), (252, 816410), (280, 734769), (294, 699780), (315, 653128), (321, 640920), (327, 629160), (360, 571487), (392, 524835), (420, 489846), (428, 480690), (436, 471870), (441, 466520), (490, 419868), (504, 408205), (535, 384552), (545, 377496), (588, 349890), (630, 326564), (642, 320460), (654, 314580), (735, 279912), (749, 274680), (763, 269640), (840, 244923), (856, 240345), (872, 235935), (882, 233260), (963, 213640), (980, 209934), (981, 209720), (1070, 192276), (1090, 188748), (1176, 174945), (1260, 163282), (1284, 160230), (1308, 157290), (1470, 139956), (1498, 137340), (1526, 134820), (1605, 128184), (1635, 125832), (1764, 116630), (1926, 106820), (1960, 104967), (1962, 104860), (2140, 96138), (2180, 94374), (2205, 93304), (2247, 91560), (2289, 89880), (2520, 81641), (2568, 80115), (2616, 78645), (2940, 69978), (2996, 68670), (3052, 67410), (3210, 64092), (3270, 62916), (3528, 58315), (3745, 54936), (3815, 53928), (3852, 53410), (3924, 52430), (4280, 48069), (4360, 47187), (4410, 46652), (4494, 45780), (4578, 44940), (4815, 42728), (4905, 41944), (5243, 39240), (5341, 38520), (5880, 34989), (5992, 34335), (6104, 33705), (6420, 32046), (6540, 31458), (6741, 30520), (6867, 29960), (7490, 27468), (7630, 26964), (7704, 26705), (7848, 26215), (8820, 23326), (8988, 22890), (9156, 22470), (9630, 21364), (9810, 20972), (10486, 19620), (10682, 19260), (11235, 18312), (11445, 17976), (11663, 17640), (12840, 16023), (13080, 15729), (13482, 15260), (13734, 14980)]