161249880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{809}}^1$

素因数の和:985

約数の個数: 128

約数和(自身を含む): 531878400

約数和(自身を除く): 370628520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 151, 165, 220, 264, 302, 330, 440, 453, 604, 660, 755, 809, 906, 1208, 1320, 1510, 1618, 1661, 1812, 2265, 2427, 3020, 3236, 3322, 3624, 4045, 4530, 4854, 4983, 6040, 6472, 6644, 8090, 8305, 8899, 9060, 9708, 9966, 12135, 13288, 16180, 16610, 17798, 18120, 19416, 19932, 24270, 24915, 26697, 32360, 33220, 35596, 39864, 44495, 48540, 49830, 53394, 66440, 71192, 88990, 97080, 99660, 106788, 122159, 133485, 177980, 199320, 213576, 244318, 266970, 355960, 366477, 488636, 533940, 610795, 732954, 977272, 1067880, 1221590, 1343749, 1465908, 1832385, 2443180, 2687498, 2931816, 3664770, 4031247, 4886360, 5374996, 6718745, 7329540, 8062494, 10749992, 13437490, 14659080, 16124988, 20156235, 26874980, 32249976, 40312470, 53749960, 80624940, 161249880]

約数ペア:

[(1, 161249880), (2, 80624940), (3, 53749960), (4, 40312470), (5, 32249976), (6, 26874980), (8, 20156235), (10, 16124988), (11, 14659080), (12, 13437490), (15, 10749992), (20, 8062494), (22, 7329540), (24, 6718745), (30, 5374996), (33, 4886360), (40, 4031247), (44, 3664770), (55, 2931816), (60, 2687498), (66, 2443180), (88, 1832385), (110, 1465908), (120, 1343749), (132, 1221590), (151, 1067880), (165, 977272), (220, 732954), (264, 610795), (302, 533940), (330, 488636), (440, 366477), (453, 355960), (604, 266970), (660, 244318), (755, 213576), (809, 199320), (906, 177980), (1208, 133485), (1320, 122159), (1510, 106788), (1618, 99660), (1661, 97080), (1812, 88990), (2265, 71192), (2427, 66440), (3020, 53394), (3236, 49830), (3322, 48540), (3624, 44495), (4045, 39864), (4530, 35596), (4854, 33220), (4983, 32360), (6040, 26697), (6472, 24915), (6644, 24270), (8090, 19932), (8305, 19416), (8899, 18120), (9060, 17798), (9708, 16610), (9966, 16180), (12135, 13288)]