90709290

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:401

約数の個数: 144

約数和(自身を含む): 279351072

約数和(自身を除く): 188641782

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 67, 70, 90, 98, 105, 126, 134, 147, 201, 210, 245, 294, 307, 315, 335, 402, 441, 469, 490, 603, 614, 630, 670, 735, 882, 921, 938, 1005, 1206, 1407, 1470, 1535, 1842, 2010, 2149, 2205, 2345, 2763, 2814, 3015, 3070, 3283, 4221, 4298, 4410, 4605, 4690, 5526, 6030, 6447, 6566, 7035, 8442, 9210, 9849, 10745, 12894, 13815, 14070, 15043, 16415, 19341, 19698, 20569, 21105, 21490, 27630, 29547, 30086, 32235, 32830, 38682, 41138, 42210, 45129, 49245, 59094, 61707, 64470, 75215, 90258, 96705, 98490, 102845, 123414, 135387, 143983, 147735, 150430, 185121, 193410, 205690, 225645, 270774, 287966, 295470, 308535, 370242, 431949, 451290, 617070, 676935, 719915, 863898, 925605, 1007881, 1295847, 1353870, 1439830, 1851210, 2015762, 2159745, 2591694, 3023643, 4319490, 5039405, 6047286, 6479235, 9070929, 10078810, 12958470, 15118215, 18141858, 30236430, 45354645, 90709290]

約数ペア:

[(1, 90709290), (2, 45354645), (3, 30236430), (5, 18141858), (6, 15118215), (7, 12958470), (9, 10078810), (10, 9070929), (14, 6479235), (15, 6047286), (18, 5039405), (21, 4319490), (30, 3023643), (35, 2591694), (42, 2159745), (45, 2015762), (49, 1851210), (63, 1439830), (67, 1353870), (70, 1295847), (90, 1007881), (98, 925605), (105, 863898), (126, 719915), (134, 676935), (147, 617070), (201, 451290), (210, 431949), (245, 370242), (294, 308535), (307, 295470), (315, 287966), (335, 270774), (402, 225645), (441, 205690), (469, 193410), (490, 185121), (603, 150430), (614, 147735), (630, 143983), (670, 135387), (735, 123414), (882, 102845), (921, 98490), (938, 96705), (1005, 90258), (1206, 75215), (1407, 64470), (1470, 61707), (1535, 59094), (1842, 49245), (2010, 45129), (2149, 42210), (2205, 41138), (2345, 38682), (2763, 32830), (2814, 32235), (3015, 30086), (3070, 29547), (3283, 27630), (4221, 21490), (4298, 21105), (4410, 20569), (4605, 19698), (4690, 19341), (5526, 16415), (6030, 15043), (6447, 14070), (6566, 13815), (7035, 12894), (8442, 10745), (9210, 9849)]