20157859680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{28433}}^1$

素因数の和:28669

約数の個数: 192

約数和(自身を含む): 72914784768

約数和(自身を除く): 52756925088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 211, 224, 240, 280, 336, 420, 422, 480, 560, 633, 672, 840, 844, 1055, 1120, 1266, 1477, 1680, 1688, 2110, 2532, 2954, 3165, 3360, 3376, 4220, 4431, 5064, 5908, 6330, 6752, 7385, 8440, 8862, 10128, 11816, 12660, 14770, 16880, 17724, 20256, 22155, 23632, 25320, 28433, 29540, 33760, 35448, 44310, 47264, 50640, 56866, 59080, 70896, 85299, 88620, 101280, 113732, 118160, 141792, 142165, 170598, 177240, 199031, 227464, 236320, 284330, 341196, 354480, 398062, 426495, 454928, 568660, 597093, 682392, 708960, 796124, 852990, 909856, 995155, 1137320, 1194186, 1364784, 1592248, 1705980, 1990310, 2274640, 2388372, 2729568, 2985465, 3184496, 3411960, 3980620, 4549280, 4776744, 5970930, 5999363, 6368992, 6823920, 7961240, 9553488, 11941860, 11998726, 13647840, 15922480, 17998089, 19106976, 23883720, 23997452, 29996815, 31844960, 35996178, 41995541, 47767440, 47994904, 59993630, 71992356, 83991082, 89990445, 95534880, 95989808, 119987260, 125986623, 143984712, 167982164, 179980890, 191979616, 209977705, 239974520, 251973246, 287969424, 335964328, 359961780, 419955410, 479949040, 503946492, 575938848, 629933115, 671928656, 719923560, 839910820, 959898080, 1007892984, 1259866230, 1343857312, 1439847120, 1679821640, 2015785968, 2519732460, 2879694240, 3359643280, 4031571936, 5039464920, 6719286560, 10078929840, 20157859680]

約数ペア:

[(1, 20157859680), (2, 10078929840), (3, 6719286560), (4, 5039464920), (5, 4031571936), (6, 3359643280), (7, 2879694240), (8, 2519732460), (10, 2015785968), (12, 1679821640), (14, 1439847120), (15, 1343857312), (16, 1259866230), (20, 1007892984), (21, 959898080), (24, 839910820), (28, 719923560), (30, 671928656), (32, 629933115), (35, 575938848), (40, 503946492), (42, 479949040), (48, 419955410), (56, 359961780), (60, 335964328), (70, 287969424), (80, 251973246), (84, 239974520), (96, 209977705), (105, 191979616), (112, 179980890), (120, 167982164), (140, 143984712), (160, 125986623), (168, 119987260), (210, 95989808), (211, 95534880), (224, 89990445), (240, 83991082), (280, 71992356), (336, 59993630), (420, 47994904), (422, 47767440), (480, 41995541), (560, 35996178), (633, 31844960), (672, 29996815), (840, 23997452), (844, 23883720), (1055, 19106976), (1120, 17998089), (1266, 15922480), (1477, 13647840), (1680, 11998726), (1688, 11941860), (2110, 9553488), (2532, 7961240), (2954, 6823920), (3165, 6368992), (3360, 5999363), (3376, 5970930), (4220, 4776744), (4431, 4549280), (5064, 3980620), (5908, 3411960), (6330, 3184496), (6752, 2985465), (7385, 2729568), (8440, 2388372), (8862, 2274640), (10128, 1990310), (11816, 1705980), (12660, 1592248), (14770, 1364784), (16880, 1194186), (17724, 1137320), (20256, 995155), (22155, 909856), (23632, 852990), (25320, 796124), (28433, 708960), (29540, 682392), (33760, 597093), (35448, 568660), (44310, 454928), (47264, 426495), (50640, 398062), (56866, 354480), (59080, 341196), (70896, 284330), (85299, 236320), (88620, 227464), (101280, 199031), (113732, 177240), (118160, 170598), (141792, 142165)]