81489096

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 246797460

約数和(自身を除く): 165308364

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 37, 39, 52, 72, 74, 78, 104, 111, 117, 148, 156, 169, 181, 222, 234, 296, 312, 333, 338, 362, 444, 468, 481, 507, 543, 666, 676, 724, 888, 936, 962, 1014, 1086, 1332, 1352, 1443, 1448, 1521, 1629, 1924, 2028, 2172, 2353, 2664, 2886, 3042, 3258, 3848, 4056, 4329, 4344, 4706, 5772, 6084, 6253, 6516, 6697, 7059, 8658, 9412, 11544, 12168, 12506, 13032, 13394, 14118, 17316, 18759, 18824, 20091, 21177, 25012, 26788, 28236, 30589, 34632, 37518, 40182, 42354, 50024, 53576, 56277, 56472, 60273, 61178, 75036, 80364, 84708, 87061, 91767, 112554, 120546, 122356, 150072, 160728, 169416, 174122, 183534, 225108, 241092, 244712, 261183, 275301, 348244, 367068, 450216, 482184, 522366, 550602, 696488, 734136, 783549, 1044732, 1101204, 1131793, 1567098, 2089464, 2202408, 2263586, 3134196, 3395379, 4527172, 6268392, 6790758, 9054344, 10186137, 13581516, 20372274, 27163032, 40744548, 81489096]

約数ペア:

[(1, 81489096), (2, 40744548), (3, 27163032), (4, 20372274), (6, 13581516), (8, 10186137), (9, 9054344), (12, 6790758), (13, 6268392), (18, 4527172), (24, 3395379), (26, 3134196), (36, 2263586), (37, 2202408), (39, 2089464), (52, 1567098), (72, 1131793), (74, 1101204), (78, 1044732), (104, 783549), (111, 734136), (117, 696488), (148, 550602), (156, 522366), (169, 482184), (181, 450216), (222, 367068), (234, 348244), (296, 275301), (312, 261183), (333, 244712), (338, 241092), (362, 225108), (444, 183534), (468, 174122), (481, 169416), (507, 160728), (543, 150072), (666, 122356), (676, 120546), (724, 112554), (888, 91767), (936, 87061), (962, 84708), (1014, 80364), (1086, 75036), (1332, 61178), (1352, 60273), (1443, 56472), (1448, 56277), (1521, 53576), (1629, 50024), (1924, 42354), (2028, 40182), (2172, 37518), (2353, 34632), (2664, 30589), (2886, 28236), (3042, 26788), (3258, 25012), (3848, 21177), (4056, 20091), (4329, 18824), (4344, 18759), (4706, 17316), (5772, 14118), (6084, 13394), (6253, 13032), (6516, 12506), (6697, 12168), (7059, 11544), (8658, 9412)]