81980052

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{307}}^1$

素因数の和:366

約数の個数: 144

約数和(自身を含む): 254166528

約数和(自身を除く): 172186476

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 17, 21, 22, 28, 33, 34, 42, 44, 51, 66, 68, 77, 84, 102, 119, 132, 154, 187, 204, 231, 238, 289, 307, 308, 357, 374, 462, 476, 561, 578, 614, 714, 748, 867, 921, 924, 1122, 1156, 1228, 1309, 1428, 1734, 1842, 2023, 2149, 2244, 2618, 3179, 3377, 3468, 3684, 3927, 4046, 4298, 5219, 5236, 6069, 6358, 6447, 6754, 7854, 8092, 8596, 9537, 10131, 10438, 12138, 12716, 12894, 13508, 15657, 15708, 19074, 20262, 20876, 22253, 23639, 24276, 25788, 31314, 36533, 38148, 40524, 44506, 47278, 57409, 62628, 66759, 70917, 73066, 88723, 89012, 94556, 109599, 114818, 133518, 141834, 146132, 172227, 177446, 219198, 229636, 266169, 267036, 283668, 344454, 354892, 401863, 438396, 532338, 621061, 688908, 803726, 975953, 1064676, 1205589, 1242122, 1607452, 1863183, 1951906, 2411178, 2484244, 2927859, 3726366, 3903812, 4822356, 5855718, 6831671, 7452732, 11711436, 13663342, 20495013, 27326684, 40990026, 81980052]

約数ペア:

[(1, 81980052), (2, 40990026), (3, 27326684), (4, 20495013), (6, 13663342), (7, 11711436), (11, 7452732), (12, 6831671), (14, 5855718), (17, 4822356), (21, 3903812), (22, 3726366), (28, 2927859), (33, 2484244), (34, 2411178), (42, 1951906), (44, 1863183), (51, 1607452), (66, 1242122), (68, 1205589), (77, 1064676), (84, 975953), (102, 803726), (119, 688908), (132, 621061), (154, 532338), (187, 438396), (204, 401863), (231, 354892), (238, 344454), (289, 283668), (307, 267036), (308, 266169), (357, 229636), (374, 219198), (462, 177446), (476, 172227), (561, 146132), (578, 141834), (614, 133518), (714, 114818), (748, 109599), (867, 94556), (921, 89012), (924, 88723), (1122, 73066), (1156, 70917), (1228, 66759), (1309, 62628), (1428, 57409), (1734, 47278), (1842, 44506), (2023, 40524), (2149, 38148), (2244, 36533), (2618, 31314), (3179, 25788), (3377, 24276), (3468, 23639), (3684, 22253), (3927, 20876), (4046, 20262), (4298, 19074), (5219, 15708), (5236, 15657), (6069, 13508), (6358, 12894), (6447, 12716), (6754, 12138), (7854, 10438), (8092, 10131), (8596, 9537)]