15678919880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{15647}}^1$

素因数の和:15759

約数の個数: 128

約数和(自身を含む): 39748423680

約数和(自身を除く): 24069503800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 47, 52, 65, 82, 94, 104, 130, 164, 188, 205, 235, 260, 328, 376, 410, 470, 520, 533, 611, 820, 940, 1066, 1222, 1640, 1880, 1927, 2132, 2444, 2665, 3055, 3854, 4264, 4888, 5330, 6110, 7708, 9635, 10660, 12220, 15416, 15647, 19270, 21320, 24440, 25051, 31294, 38540, 50102, 62588, 77080, 78235, 100204, 125176, 125255, 156470, 200408, 203411, 250510, 312940, 406822, 501020, 625880, 641527, 735409, 813644, 1002040, 1017055, 1283054, 1470818, 1627288, 2034110, 2566108, 2941636, 3207635, 3677045, 4068220, 5132216, 5883272, 6415270, 7354090, 8136440, 8339851, 9560317, 12830540, 14708180, 16679702, 19120634, 25661080, 29416360, 30151769, 33359404, 38241268, 41699255, 47801585, 60303538, 66718808, 76482536, 83398510, 95603170, 120607076, 150758845, 166797020, 191206340, 241214152, 301517690, 333594040, 382412680, 391972997, 603035380, 783945994, 1206070760, 1567891988, 1959864985, 3135783976, 3919729970, 7839459940, 15678919880]

約数ペア:

[(1, 15678919880), (2, 7839459940), (4, 3919729970), (5, 3135783976), (8, 1959864985), (10, 1567891988), (13, 1206070760), (20, 783945994), (26, 603035380), (40, 391972997), (41, 382412680), (47, 333594040), (52, 301517690), (65, 241214152), (82, 191206340), (94, 166797020), (104, 150758845), (130, 120607076), (164, 95603170), (188, 83398510), (205, 76482536), (235, 66718808), (260, 60303538), (328, 47801585), (376, 41699255), (410, 38241268), (470, 33359404), (520, 30151769), (533, 29416360), (611, 25661080), (820, 19120634), (940, 16679702), (1066, 14708180), (1222, 12830540), (1640, 9560317), (1880, 8339851), (1927, 8136440), (2132, 7354090), (2444, 6415270), (2665, 5883272), (3055, 5132216), (3854, 4068220), (4264, 3677045), (4888, 3207635), (5330, 2941636), (6110, 2566108), (7708, 2034110), (9635, 1627288), (10660, 1470818), (12220, 1283054), (15416, 1017055), (15647, 1002040), (19270, 813644), (21320, 735409), (24440, 641527), (25051, 625880), (31294, 501020), (38540, 406822), (50102, 312940), (62588, 250510), (77080, 203411), (78235, 200408), (100204, 156470), (125176, 125255)]