261777360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83903}}^1$

素因数の和:83932

約数の個数: 80

約数和(自身を含む): 873944064

約数和(自身を除く): 612166704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 83903, 167806, 251709, 335612, 419515, 503418, 671224, 839030, 1006836, 1090739, 1258545, 1342448, 1678060, 2013672, 2181478, 2517090, 3272217, 3356120, 4027344, 4362956, 5034180, 5453695, 6544434, 6712240, 8725912, 10068360, 10907390, 13088868, 16361085, 17451824, 20136720, 21814780, 26177736, 32722170, 43629560, 52355472, 65444340, 87259120, 130888680, 261777360]

約数ペア:

[(1, 261777360), (2, 130888680), (3, 87259120), (4, 65444340), (5, 52355472), (6, 43629560), (8, 32722170), (10, 26177736), (12, 21814780), (13, 20136720), (15, 17451824), (16, 16361085), (20, 13088868), (24, 10907390), (26, 10068360), (30, 8725912), (39, 6712240), (40, 6544434), (48, 5453695), (52, 5034180), (60, 4362956), (65, 4027344), (78, 3356120), (80, 3272217), (104, 2517090), (120, 2181478), (130, 2013672), (156, 1678060), (195, 1342448), (208, 1258545), (240, 1090739), (260, 1006836), (312, 839030), (390, 671224), (520, 503418), (624, 419515), (780, 335612), (1040, 251709), (1560, 167806), (3120, 83903)]