15915690

素因数分解:

$2^1\times 3^4\times 5^1\times 7^2\times {\mathrm{401}}^1$

素因数の和:434

約数の個数: 120

約数和(自身を含む): 49906692

約数和(自身を除く): 33991002

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 81, 90, 98, 105, 126, 135, 147, 162, 189, 210, 245, 270, 294, 315, 378, 401, 405, 441, 490, 567, 630, 735, 802, 810, 882, 945, 1134, 1203, 1323, 1470, 1890, 2005, 2205, 2406, 2646, 2807, 2835, 3609, 3969, 4010, 4410, 5614, 5670, 6015, 6615, 7218, 7938, 8421, 10827, 12030, 13230, 14035, 16842, 18045, 19649, 19845, 21654, 25263, 28070, 32481, 36090, 39298, 39690, 42105, 50526, 54135, 58947, 64962, 75789, 84210, 98245, 108270, 117894, 126315, 151578, 162405, 176841, 196490, 227367, 252630, 294735, 324810, 353682, 378945, 454734, 530523, 589470, 757890, 884205, 1061046, 1136835, 1591569, 1768410, 2273670, 2652615, 3183138, 5305230, 7957845, 15915690]

約数ペア:

[(1, 15915690), (2, 7957845), (3, 5305230), (5, 3183138), (6, 2652615), (7, 2273670), (9, 1768410), (10, 1591569), (14, 1136835), (15, 1061046), (18, 884205), (21, 757890), (27, 589470), (30, 530523), (35, 454734), (42, 378945), (45, 353682), (49, 324810), (54, 294735), (63, 252630), (70, 227367), (81, 196490), (90, 176841), (98, 162405), (105, 151578), (126, 126315), (135, 117894), (147, 108270), (162, 98245), (189, 84210), (210, 75789), (245, 64962), (270, 58947), (294, 54135), (315, 50526), (378, 42105), (401, 39690), (405, 39298), (441, 36090), (490, 32481), (567, 28070), (630, 25263), (735, 21654), (802, 19845), (810, 19649), (882, 18045), (945, 16842), (1134, 14035), (1203, 13230), (1323, 12030), (1470, 10827), (1890, 8421), (2005, 7938), (2205, 7218), (2406, 6615), (2646, 6015), (2807, 5670), (2835, 5614), (3609, 4410), (3969, 4010)]