81205368240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{869809}}^1$

素因数の和:870214

約数の個数: 80

約数和(自身を含む): 252384069600

約数和(自身を除く): 171178701360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 389, 778, 1167, 1556, 1945, 2334, 3112, 3890, 4668, 5835, 6224, 7780, 9336, 11670, 15560, 18672, 23340, 31120, 46680, 93360, 869809, 1739618, 2609427, 3479236, 4349045, 5218854, 6958472, 8698090, 10437708, 13047135, 13916944, 17396180, 20875416, 26094270, 34792360, 41750832, 52188540, 69584720, 104377080, 208754160, 338355701, 676711402, 1015067103, 1353422804, 1691778505, 2030134206, 2706845608, 3383557010, 4060268412, 5075335515, 5413691216, 6767114020, 8120536824, 10150671030, 13534228040, 16241073648, 20301342060, 27068456080, 40602684120, 81205368240]

約数ペア:

[(1, 81205368240), (2, 40602684120), (3, 27068456080), (4, 20301342060), (5, 16241073648), (6, 13534228040), (8, 10150671030), (10, 8120536824), (12, 6767114020), (15, 5413691216), (16, 5075335515), (20, 4060268412), (24, 3383557010), (30, 2706845608), (40, 2030134206), (48, 1691778505), (60, 1353422804), (80, 1015067103), (120, 676711402), (240, 338355701), (389, 208754160), (778, 104377080), (1167, 69584720), (1556, 52188540), (1945, 41750832), (2334, 34792360), (3112, 26094270), (3890, 20875416), (4668, 17396180), (5835, 13916944), (6224, 13047135), (7780, 10437708), (9336, 8698090), (11670, 6958472), (15560, 5218854), (18672, 4349045), (23340, 3479236), (31120, 2609427), (46680, 1739618), (93360, 869809)]