206353980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:646

約数の個数: 240

約数和(自身を含む): 764983296

約数和(自身を除く): 558629316

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 81, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 162, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 324, 372, 378, 405, 420, 434, 465, 540, 558, 567, 587, 620, 630, 651, 756, 810, 837, 868, 930, 945, 1085, 1116, 1134, 1174, 1260, 1302, 1395, 1620, 1674, 1761, 1860, 1890, 1953, 2170, 2268, 2348, 2511, 2604, 2790, 2835, 2935, 3255, 3348, 3522, 3780, 3906, 4109, 4185, 4340, 5022, 5283, 5580, 5670, 5859, 5870, 6510, 7044, 7812, 8218, 8370, 8805, 9765, 10044, 10566, 11340, 11718, 11740, 12327, 12555, 13020, 15849, 16436, 16740, 17577, 17610, 18197, 19530, 20545, 21132, 23436, 24654, 25110, 26415, 29295, 31698, 35154, 35220, 36394, 36981, 39060, 41090, 47547, 49308, 50220, 52830, 54591, 58590, 61635, 63396, 70308, 72788, 73962, 79245, 82180, 87885, 90985, 95094, 105660, 109182, 110943, 117180, 123270, 127379, 147924, 158490, 163773, 175770, 181970, 184905, 190188, 218364, 221886, 237735, 246540, 254758, 272955, 316980, 327546, 332829, 351540, 363940, 369810, 382137, 443772, 475470, 491319, 509516, 545910, 554715, 636895, 655092, 665658, 739620, 764274, 818865, 950940, 982638, 1091820, 1109430, 1146411, 1273790, 1331316, 1473957, 1528548, 1637730, 1664145, 1910685, 1965276, 2218860, 2292822, 2456595, 2547580, 2947914, 3275460, 3328290, 3439233, 3821370, 4585644, 4913190, 5732055, 5895828, 6656580, 6878466, 7369785, 7642740, 9826380, 10317699, 11464110, 13756932, 14739570, 17196165, 20635398, 22928220, 29479140, 34392330, 41270796, 51588495, 68784660, 103176990, 206353980]

約数ペア:

[(1, 206353980), (2, 103176990), (3, 68784660), (4, 51588495), (5, 41270796), (6, 34392330), (7, 29479140), (9, 22928220), (10, 20635398), (12, 17196165), (14, 14739570), (15, 13756932), (18, 11464110), (20, 10317699), (21, 9826380), (27, 7642740), (28, 7369785), (30, 6878466), (31, 6656580), (35, 5895828), (36, 5732055), (42, 4913190), (45, 4585644), (54, 3821370), (60, 3439233), (62, 3328290), (63, 3275460), (70, 2947914), (81, 2547580), (84, 2456595), (90, 2292822), (93, 2218860), (105, 1965276), (108, 1910685), (124, 1664145), (126, 1637730), (135, 1528548), (140, 1473957), (155, 1331316), (162, 1273790), (180, 1146411), (186, 1109430), (189, 1091820), (210, 982638), (217, 950940), (252, 818865), (270, 764274), (279, 739620), (310, 665658), (315, 655092), (324, 636895), (372, 554715), (378, 545910), (405, 509516), (420, 491319), (434, 475470), (465, 443772), (540, 382137), (558, 369810), (567, 363940), (587, 351540), (620, 332829), (630, 327546), (651, 316980), (756, 272955), (810, 254758), (837, 246540), (868, 237735), (930, 221886), (945, 218364), (1085, 190188), (1116, 184905), (1134, 181970), (1174, 175770), (1260, 163773), (1302, 158490), (1395, 147924), (1620, 127379), (1674, 123270), (1761, 117180), (1860, 110943), (1890, 109182), (1953, 105660), (2170, 95094), (2268, 90985), (2348, 87885), (2511, 82180), (2604, 79245), (2790, 73962), (2835, 72788), (2935, 70308), (3255, 63396), (3348, 61635), (3522, 58590), (3780, 54591), (3906, 52830), (4109, 50220), (4185, 49308), (4340, 47547), (5022, 41090), (5283, 39060), (5580, 36981), (5670, 36394), (5859, 35220), (5870, 35154), (6510, 31698), (7044, 29295), (7812, 26415), (8218, 25110), (8370, 24654), (8805, 23436), (9765, 21132), (10044, 20545), (10566, 19530), (11340, 18197), (11718, 17610), (11740, 17577), (12327, 16740), (12555, 16436), (13020, 15849)]