78979320

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:395

約数の個数: 256

約数和(自身を含む): 311500800

約数和(自身を除く): 232521480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 310, 315, 337, 360, 372, 378, 420, 434, 465, 504, 540, 558, 620, 630, 651, 674, 744, 756, 837, 840, 868, 930, 945, 1011, 1080, 1085, 1116, 1240, 1260, 1302, 1348, 1395, 1512, 1674, 1685, 1736, 1860, 1890, 1953, 2022, 2170, 2232, 2359, 2520, 2604, 2696, 2790, 3033, 3255, 3348, 3370, 3720, 3780, 3906, 4044, 4185, 4340, 4718, 5055, 5208, 5580, 5859, 6066, 6510, 6696, 6740, 7077, 7560, 7812, 8088, 8370, 8680, 9099, 9436, 9765, 10110, 10447, 11160, 11718, 11795, 12132, 13020, 13480, 14154, 15165, 15624, 16740, 18198, 18872, 19530, 20220, 20894, 21231, 23436, 23590, 24264, 26040, 28308, 29295, 30330, 31341, 33480, 35385, 36396, 39060, 40440, 41788, 42462, 45495, 46872, 47180, 52235, 56616, 58590, 60660, 62682, 63693, 70770, 72792, 73129, 78120, 83576, 84924, 90990, 94023, 94360, 104470, 106155, 117180, 121320, 125364, 127386, 141540, 146258, 156705, 169848, 181980, 188046, 208940, 212310, 219387, 234360, 250728, 254772, 282069, 283080, 292516, 313410, 318465, 363960, 365645, 376092, 417880, 424620, 438774, 470115, 509544, 564138, 585032, 626820, 636930, 658161, 731290, 752184, 849240, 877548, 940230, 1096935, 1128276, 1253640, 1273860, 1316322, 1410345, 1462580, 1755096, 1880460, 1974483, 2193870, 2256552, 2547720, 2632644, 2820690, 2925160, 3290805, 3760920, 3948966, 4387740, 5265288, 5641380, 6581610, 7897932, 8775480, 9872415, 11282760, 13163220, 15795864, 19744830, 26326440, 39489660, 78979320]

約数ペア:

[(1, 78979320), (2, 39489660), (3, 26326440), (4, 19744830), (5, 15795864), (6, 13163220), (7, 11282760), (8, 9872415), (9, 8775480), (10, 7897932), (12, 6581610), (14, 5641380), (15, 5265288), (18, 4387740), (20, 3948966), (21, 3760920), (24, 3290805), (27, 2925160), (28, 2820690), (30, 2632644), (31, 2547720), (35, 2256552), (36, 2193870), (40, 1974483), (42, 1880460), (45, 1755096), (54, 1462580), (56, 1410345), (60, 1316322), (62, 1273860), (63, 1253640), (70, 1128276), (72, 1096935), (84, 940230), (90, 877548), (93, 849240), (105, 752184), (108, 731290), (120, 658161), (124, 636930), (126, 626820), (135, 585032), (140, 564138), (155, 509544), (168, 470115), (180, 438774), (186, 424620), (189, 417880), (210, 376092), (216, 365645), (217, 363960), (248, 318465), (252, 313410), (270, 292516), (279, 283080), (280, 282069), (310, 254772), (315, 250728), (337, 234360), (360, 219387), (372, 212310), (378, 208940), (420, 188046), (434, 181980), (465, 169848), (504, 156705), (540, 146258), (558, 141540), (620, 127386), (630, 125364), (651, 121320), (674, 117180), (744, 106155), (756, 104470), (837, 94360), (840, 94023), (868, 90990), (930, 84924), (945, 83576), (1011, 78120), (1080, 73129), (1085, 72792), (1116, 70770), (1240, 63693), (1260, 62682), (1302, 60660), (1348, 58590), (1395, 56616), (1512, 52235), (1674, 47180), (1685, 46872), (1736, 45495), (1860, 42462), (1890, 41788), (1953, 40440), (2022, 39060), (2170, 36396), (2232, 35385), (2359, 33480), (2520, 31341), (2604, 30330), (2696, 29295), (2790, 28308), (3033, 26040), (3255, 24264), (3348, 23590), (3370, 23436), (3720, 21231), (3780, 20894), (3906, 20220), (4044, 19530), (4185, 18872), (4340, 18198), (4718, 16740), (5055, 15624), (5208, 15165), (5580, 14154), (5859, 13480), (6066, 13020), (6510, 12132), (6696, 11795), (6740, 11718), (7077, 11160), (7560, 10447), (7812, 10110), (8088, 9765), (8370, 9436), (8680, 9099)]