171686680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:401

約数の個数: 128

約数和(自身を含む): 447068160

約数和(自身を除く): 275381480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 41, 44, 55, 62, 82, 88, 110, 124, 155, 164, 205, 220, 248, 307, 310, 328, 341, 410, 440, 451, 614, 620, 682, 820, 902, 1228, 1240, 1271, 1364, 1535, 1640, 1705, 1804, 2255, 2456, 2542, 2728, 3070, 3377, 3410, 3608, 4510, 5084, 6140, 6355, 6754, 6820, 9020, 9517, 10168, 12280, 12587, 12710, 13508, 13640, 13981, 16885, 18040, 19034, 25174, 25420, 27016, 27962, 33770, 38068, 47585, 50348, 50840, 55924, 62935, 67540, 69905, 76136, 95170, 100696, 104687, 111848, 125870, 135080, 138457, 139810, 190340, 209374, 251740, 276914, 279620, 380680, 390197, 418748, 503480, 523435, 553828, 559240, 692285, 780394, 837496, 1046870, 1107656, 1384570, 1560788, 1950985, 2093740, 2769140, 3121576, 3901970, 4187480, 4292167, 5538280, 7803940, 8584334, 15607880, 17168668, 21460835, 34337336, 42921670, 85843340, 171686680]

約数ペア:

[(1, 171686680), (2, 85843340), (4, 42921670), (5, 34337336), (8, 21460835), (10, 17168668), (11, 15607880), (20, 8584334), (22, 7803940), (31, 5538280), (40, 4292167), (41, 4187480), (44, 3901970), (55, 3121576), (62, 2769140), (82, 2093740), (88, 1950985), (110, 1560788), (124, 1384570), (155, 1107656), (164, 1046870), (205, 837496), (220, 780394), (248, 692285), (307, 559240), (310, 553828), (328, 523435), (341, 503480), (410, 418748), (440, 390197), (451, 380680), (614, 279620), (620, 276914), (682, 251740), (820, 209374), (902, 190340), (1228, 139810), (1240, 138457), (1271, 135080), (1364, 125870), (1535, 111848), (1640, 104687), (1705, 100696), (1804, 95170), (2255, 76136), (2456, 69905), (2542, 67540), (2728, 62935), (3070, 55924), (3377, 50840), (3410, 50348), (3608, 47585), (4510, 38068), (5084, 33770), (6140, 27962), (6355, 27016), (6754, 25420), (6820, 25174), (9020, 19034), (9517, 18040), (10168, 16885), (12280, 13981), (12587, 13640), (12710, 13508)]