28915779480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1\times {\mathrm{1607}}^1$

素因数の和:2350

約数の個数: 256

約数和(自身を含む): 102549749760

約数和(自身を除く): 73633970280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 691, 744, 840, 868, 930, 1085, 1240, 1302, 1382, 1607, 1736, 1860, 2073, 2170, 2604, 2764, 3214, 3255, 3455, 3720, 4146, 4340, 4821, 4837, 5208, 5528, 6428, 6510, 6910, 8035, 8292, 8680, 9642, 9674, 10365, 11249, 12856, 13020, 13820, 14511, 16070, 16584, 19284, 19348, 20730, 21421, 22498, 24105, 24185, 26040, 27640, 29022, 32140, 33747, 38568, 38696, 41460, 42842, 44996, 48210, 48370, 49817, 56245, 58044, 64263, 64280, 67494, 72555, 82920, 85684, 89992, 96420, 96740, 99634, 107105, 112490, 116088, 128526, 134988, 145110, 149451, 149947, 168735, 171368, 192840, 193480, 199268, 214210, 224980, 249085, 257052, 269976, 290220, 298902, 299894, 321315, 337470, 348719, 398536, 428420, 449841, 449960, 498170, 514104, 580440, 597804, 599788, 642630, 674940, 697438, 747255, 749735, 856840, 899682, 996340, 1046157, 1110437, 1195608, 1199576, 1285260, 1349880, 1394876, 1494510, 1499470, 1743595, 1799364, 1992680, 2092314, 2220874, 2249205, 2570520, 2789752, 2989020, 2998940, 3331311, 3487190, 3598728, 4184628, 4441748, 4498410, 5230785, 5552185, 5978040, 5997880, 6662622, 6974380, 7773059, 8369256, 8883496, 8996820, 10461570, 11104370, 13325244, 13948760, 15546118, 16656555, 17993640, 20923140, 22208740, 23319177, 26650488, 31092236, 33313110, 34423547, 38865295, 41846280, 44417480, 46638354, 62184472, 66626220, 68847094, 77730590, 93276708, 103270641, 116595885, 133252440, 137694188, 155461180, 172117735, 186553416, 206541282, 233191770, 240964829, 275388376, 310922360, 344235470, 413082564, 466383540, 481929658, 516353205, 688470940, 722894487, 826165128, 932767080, 963859316, 1032706410, 1204824145, 1376941880, 1445788974, 1927718632, 2065412820, 2409648290, 2891577948, 3614472435, 4130825640, 4819296580, 5783155896, 7228944870, 9638593160, 14457889740, 28915779480]

約数ペア:

[(1, 28915779480), (2, 14457889740), (3, 9638593160), (4, 7228944870), (5, 5783155896), (6, 4819296580), (7, 4130825640), (8, 3614472435), (10, 2891577948), (12, 2409648290), (14, 2065412820), (15, 1927718632), (20, 1445788974), (21, 1376941880), (24, 1204824145), (28, 1032706410), (30, 963859316), (31, 932767080), (35, 826165128), (40, 722894487), (42, 688470940), (56, 516353205), (60, 481929658), (62, 466383540), (70, 413082564), (84, 344235470), (93, 310922360), (105, 275388376), (120, 240964829), (124, 233191770), (140, 206541282), (155, 186553416), (168, 172117735), (186, 155461180), (210, 137694188), (217, 133252440), (248, 116595885), (280, 103270641), (310, 93276708), (372, 77730590), (420, 68847094), (434, 66626220), (465, 62184472), (620, 46638354), (651, 44417480), (691, 41846280), (744, 38865295), (840, 34423547), (868, 33313110), (930, 31092236), (1085, 26650488), (1240, 23319177), (1302, 22208740), (1382, 20923140), (1607, 17993640), (1736, 16656555), (1860, 15546118), (2073, 13948760), (2170, 13325244), (2604, 11104370), (2764, 10461570), (3214, 8996820), (3255, 8883496), (3455, 8369256), (3720, 7773059), (4146, 6974380), (4340, 6662622), (4821, 5997880), (4837, 5978040), (5208, 5552185), (5528, 5230785), (6428, 4498410), (6510, 4441748), (6910, 4184628), (8035, 3598728), (8292, 3487190), (8680, 3331311), (9642, 2998940), (9674, 2989020), (10365, 2789752), (11249, 2570520), (12856, 2249205), (13020, 2220874), (13820, 2092314), (14511, 1992680), (16070, 1799364), (16584, 1743595), (19284, 1499470), (19348, 1494510), (20730, 1394876), (21421, 1349880), (22498, 1285260), (24105, 1199576), (24185, 1195608), (26040, 1110437), (27640, 1046157), (29022, 996340), (32140, 899682), (33747, 856840), (38568, 749735), (38696, 747255), (41460, 697438), (42842, 674940), (44996, 642630), (48210, 599788), (48370, 597804), (49817, 580440), (56245, 514104), (58044, 498170), (64263, 449960), (64280, 449841), (67494, 428420), (72555, 398536), (82920, 348719), (85684, 337470), (89992, 321315), (96420, 299894), (96740, 298902), (99634, 290220), (107105, 269976), (112490, 257052), (116088, 249085), (128526, 224980), (134988, 214210), (145110, 199268), (149451, 193480), (149947, 192840), (168735, 171368)]