31615290

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 144

約数和(自身を含む): 97954272

約数和(自身を除く): 66338982

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, 107, 126, 134, 147, 201, 210, 214, 245, 294, 315, 321, 335, 402, 441, 469, 490, 535, 603, 630, 642, 670, 735, 749, 882, 938, 963, 1005, 1070, 1206, 1407, 1470, 1498, 1605, 1926, 2010, 2205, 2247, 2345, 2814, 3015, 3210, 3283, 3745, 4221, 4410, 4494, 4690, 4815, 5243, 6030, 6566, 6741, 7035, 7169, 7490, 8442, 9630, 9849, 10486, 11235, 13482, 14070, 14338, 15729, 16415, 19698, 21105, 21507, 22470, 26215, 29547, 31458, 32830, 33705, 35845, 42210, 43014, 47187, 49245, 50183, 52430, 59094, 64521, 67410, 71690, 78645, 94374, 98490, 100366, 107535, 129042, 147735, 150549, 157290, 215070, 235935, 250915, 295470, 301098, 322605, 351281, 451647, 471870, 501830, 645210, 702562, 752745, 903294, 1053843, 1505490, 1756405, 2107686, 2258235, 3161529, 3512810, 4516470, 5269215, 6323058, 10538430, 15807645, 31615290]

約数ペア:

[(1, 31615290), (2, 15807645), (3, 10538430), (5, 6323058), (6, 5269215), (7, 4516470), (9, 3512810), (10, 3161529), (14, 2258235), (15, 2107686), (18, 1756405), (21, 1505490), (30, 1053843), (35, 903294), (42, 752745), (45, 702562), (49, 645210), (63, 501830), (67, 471870), (70, 451647), (90, 351281), (98, 322605), (105, 301098), (107, 295470), (126, 250915), (134, 235935), (147, 215070), (201, 157290), (210, 150549), (214, 147735), (245, 129042), (294, 107535), (315, 100366), (321, 98490), (335, 94374), (402, 78645), (441, 71690), (469, 67410), (490, 64521), (535, 59094), (603, 52430), (630, 50183), (642, 49245), (670, 47187), (735, 43014), (749, 42210), (882, 35845), (938, 33705), (963, 32830), (1005, 31458), (1070, 29547), (1206, 26215), (1407, 22470), (1470, 21507), (1498, 21105), (1605, 19698), (1926, 16415), (2010, 15729), (2205, 14338), (2247, 14070), (2345, 13482), (2814, 11235), (3015, 10486), (3210, 9849), (3283, 9630), (3745, 8442), (4221, 7490), (4410, 7169), (4494, 7035), (4690, 6741), (4815, 6566), (5243, 6030)]