65765920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 176964480

約数和(自身を除く): 111198560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 79, 80, 86, 88, 110, 121, 158, 160, 172, 176, 215, 220, 242, 316, 344, 352, 395, 430, 440, 473, 484, 605, 632, 688, 790, 860, 869, 880, 946, 968, 1210, 1264, 1376, 1580, 1720, 1738, 1760, 1892, 1936, 2365, 2420, 2528, 3160, 3397, 3440, 3476, 3784, 3872, 4345, 4730, 4840, 5203, 6320, 6794, 6880, 6952, 7568, 8690, 9460, 9559, 9680, 10406, 12640, 13588, 13904, 15136, 16985, 17380, 18920, 19118, 19360, 20812, 26015, 27176, 27808, 33970, 34760, 37367, 37840, 38236, 41624, 47795, 52030, 54352, 67940, 69520, 74734, 75680, 76472, 83248, 95590, 104060, 108704, 135880, 139040, 149468, 152944, 166496, 186835, 191180, 208120, 271760, 298936, 305888, 373670, 382360, 411037, 416240, 543520, 597872, 747340, 764720, 822074, 832480, 1195744, 1494680, 1529440, 1644148, 2055185, 2989360, 3288296, 4110370, 5978720, 6576592, 8220740, 13153184, 16441480, 32882960, 65765920]

約数ペア:

[(1, 65765920), (2, 32882960), (4, 16441480), (5, 13153184), (8, 8220740), (10, 6576592), (11, 5978720), (16, 4110370), (20, 3288296), (22, 2989360), (32, 2055185), (40, 1644148), (43, 1529440), (44, 1494680), (55, 1195744), (79, 832480), (80, 822074), (86, 764720), (88, 747340), (110, 597872), (121, 543520), (158, 416240), (160, 411037), (172, 382360), (176, 373670), (215, 305888), (220, 298936), (242, 271760), (316, 208120), (344, 191180), (352, 186835), (395, 166496), (430, 152944), (440, 149468), (473, 139040), (484, 135880), (605, 108704), (632, 104060), (688, 95590), (790, 83248), (860, 76472), (869, 75680), (880, 74734), (946, 69520), (968, 67940), (1210, 54352), (1264, 52030), (1376, 47795), (1580, 41624), (1720, 38236), (1738, 37840), (1760, 37367), (1892, 34760), (1936, 33970), (2365, 27808), (2420, 27176), (2528, 26015), (3160, 20812), (3397, 19360), (3440, 19118), (3476, 18920), (3784, 17380), (3872, 16985), (4345, 15136), (4730, 13904), (4840, 13588), (5203, 12640), (6320, 10406), (6794, 9680), (6880, 9559), (6952, 9460), (7568, 8690)]