1988500080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{10859}}^1$

素因数の和:10991

約数の個数: 160

約数和(自身を含む): 7110259200

約数和(自身を除く): 5121759120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 109, 112, 120, 140, 168, 210, 218, 240, 280, 327, 336, 420, 436, 545, 560, 654, 763, 840, 872, 1090, 1308, 1526, 1635, 1680, 1744, 2180, 2289, 2616, 3052, 3270, 3815, 4360, 4578, 5232, 6104, 6540, 7630, 8720, 9156, 10859, 11445, 12208, 13080, 15260, 18312, 21718, 22890, 26160, 30520, 32577, 36624, 43436, 45780, 54295, 61040, 65154, 76013, 86872, 91560, 108590, 130308, 152026, 162885, 173744, 183120, 217180, 228039, 260616, 304052, 325770, 380065, 434360, 456078, 521232, 608104, 651540, 760130, 868720, 912156, 1140195, 1183631, 1216208, 1303080, 1520260, 1824312, 2280390, 2367262, 2606160, 3040520, 3550893, 3648624, 4560780, 4734524, 5918155, 6081040, 7101786, 8285417, 9121560, 9469048, 11836310, 14203572, 16570834, 17754465, 18243120, 18938096, 23672620, 24856251, 28407144, 33141668, 35508930, 41427085, 47345240, 49712502, 56814288, 66283336, 71017860, 82854170, 94690480, 99425004, 124281255, 132566672, 142035720, 165708340, 198850008, 248562510, 284071440, 331416680, 397700016, 497125020, 662833360, 994250040, 1988500080]

約数ペア:

[(1, 1988500080), (2, 994250040), (3, 662833360), (4, 497125020), (5, 397700016), (6, 331416680), (7, 284071440), (8, 248562510), (10, 198850008), (12, 165708340), (14, 142035720), (15, 132566672), (16, 124281255), (20, 99425004), (21, 94690480), (24, 82854170), (28, 71017860), (30, 66283336), (35, 56814288), (40, 49712502), (42, 47345240), (48, 41427085), (56, 35508930), (60, 33141668), (70, 28407144), (80, 24856251), (84, 23672620), (105, 18938096), (109, 18243120), (112, 17754465), (120, 16570834), (140, 14203572), (168, 11836310), (210, 9469048), (218, 9121560), (240, 8285417), (280, 7101786), (327, 6081040), (336, 5918155), (420, 4734524), (436, 4560780), (545, 3648624), (560, 3550893), (654, 3040520), (763, 2606160), (840, 2367262), (872, 2280390), (1090, 1824312), (1308, 1520260), (1526, 1303080), (1635, 1216208), (1680, 1183631), (1744, 1140195), (2180, 912156), (2289, 868720), (2616, 760130), (3052, 651540), (3270, 608104), (3815, 521232), (4360, 456078), (4578, 434360), (5232, 380065), (6104, 325770), (6540, 304052), (7630, 260616), (8720, 228039), (9156, 217180), (10859, 183120), (11445, 173744), (12208, 162885), (13080, 152026), (15260, 130308), (18312, 108590), (21718, 91560), (22890, 86872), (26160, 76013), (30520, 65154), (32577, 61040), (36624, 54295), (43436, 45780)]