320704920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1$

素因数の和:188

約数の個数: 240

約数和(自身を含む): 1124632080

約数和(自身を除く): 803927160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 103, 108, 120, 124, 135, 155, 162, 180, 186, 206, 216, 248, 270, 279, 309, 310, 324, 360, 372, 405, 412, 465, 515, 540, 558, 618, 620, 648, 744, 810, 824, 837, 927, 930, 961, 1030, 1080, 1116, 1236, 1240, 1395, 1545, 1620, 1674, 1854, 1860, 1922, 2060, 2232, 2472, 2511, 2781, 2790, 2883, 3090, 3193, 3240, 3348, 3708, 3720, 3844, 4120, 4185, 4635, 4805, 5022, 5562, 5580, 5766, 6180, 6386, 6696, 7416, 7688, 8343, 8370, 8649, 9270, 9579, 9610, 10044, 11124, 11160, 11532, 12360, 12555, 12772, 13905, 14415, 15965, 16686, 16740, 17298, 18540, 19158, 19220, 20088, 22248, 23064, 25110, 25544, 25947, 27810, 28737, 28830, 31930, 33372, 33480, 34596, 37080, 38316, 38440, 41715, 43245, 47895, 50220, 51894, 55620, 57474, 57660, 63860, 66744, 69192, 76632, 77841, 83430, 86211, 86490, 95790, 98983, 100440, 103788, 111240, 114948, 115320, 127720, 129735, 143685, 155682, 166860, 172422, 172980, 191580, 197966, 207576, 229896, 258633, 259470, 287370, 296949, 311364, 333720, 344844, 345960, 383160, 389205, 395932, 431055, 494915, 517266, 518940, 574740, 593898, 622728, 689688, 778410, 791864, 862110, 890847, 989830, 1034532, 1037880, 1149480, 1187796, 1293165, 1484745, 1556820, 1724220, 1781694, 1979660, 2069064, 2375592, 2586330, 2672541, 2969490, 3113640, 3448440, 3563388, 3959320, 4454235, 5172660, 5345082, 5938980, 7126776, 8017623, 8908470, 10345320, 10690164, 11877960, 13362705, 16035246, 17816940, 21380328, 26725410, 32070492, 35633880, 40088115, 53450820, 64140984, 80176230, 106901640, 160352460, 320704920]

約数ペア:

[(1, 320704920), (2, 160352460), (3, 106901640), (4, 80176230), (5, 64140984), (6, 53450820), (8, 40088115), (9, 35633880), (10, 32070492), (12, 26725410), (15, 21380328), (18, 17816940), (20, 16035246), (24, 13362705), (27, 11877960), (30, 10690164), (31, 10345320), (36, 8908470), (40, 8017623), (45, 7126776), (54, 5938980), (60, 5345082), (62, 5172660), (72, 4454235), (81, 3959320), (90, 3563388), (93, 3448440), (103, 3113640), (108, 2969490), (120, 2672541), (124, 2586330), (135, 2375592), (155, 2069064), (162, 1979660), (180, 1781694), (186, 1724220), (206, 1556820), (216, 1484745), (248, 1293165), (270, 1187796), (279, 1149480), (309, 1037880), (310, 1034532), (324, 989830), (360, 890847), (372, 862110), (405, 791864), (412, 778410), (465, 689688), (515, 622728), (540, 593898), (558, 574740), (618, 518940), (620, 517266), (648, 494915), (744, 431055), (810, 395932), (824, 389205), (837, 383160), (927, 345960), (930, 344844), (961, 333720), (1030, 311364), (1080, 296949), (1116, 287370), (1236, 259470), (1240, 258633), (1395, 229896), (1545, 207576), (1620, 197966), (1674, 191580), (1854, 172980), (1860, 172422), (1922, 166860), (2060, 155682), (2232, 143685), (2472, 129735), (2511, 127720), (2781, 115320), (2790, 114948), (2883, 111240), (3090, 103788), (3193, 100440), (3240, 98983), (3348, 95790), (3708, 86490), (3720, 86211), (3844, 83430), (4120, 77841), (4185, 76632), (4635, 69192), (4805, 66744), (5022, 63860), (5562, 57660), (5580, 57474), (5766, 55620), (6180, 51894), (6386, 50220), (6696, 47895), (7416, 43245), (7688, 41715), (8343, 38440), (8370, 38316), (8649, 37080), (9270, 34596), (9579, 33480), (9610, 33372), (10044, 31930), (11124, 28830), (11160, 28737), (11532, 27810), (12360, 25947), (12555, 25544), (12772, 25110), (13905, 23064), (14415, 22248), (15965, 20088), (16686, 19220), (16740, 19158), (17298, 18540)]