66565720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 166676400

約数和(自身を除く): 100110680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 169, 172, 215, 229, 260, 338, 344, 430, 458, 520, 559, 676, 845, 860, 916, 1118, 1145, 1352, 1690, 1720, 1832, 2236, 2290, 2795, 2977, 3380, 4472, 4580, 5590, 5954, 6760, 7267, 9160, 9847, 11180, 11908, 14534, 14885, 19694, 22360, 23816, 29068, 29770, 36335, 38701, 39388, 49235, 58136, 59540, 72670, 77402, 78776, 98470, 119080, 128011, 145340, 154804, 193505, 196940, 256022, 290680, 309608, 387010, 393880, 512044, 640055, 774020, 1024088, 1280110, 1548040, 1664143, 2560220, 3328286, 5120440, 6656572, 8320715, 13313144, 16641430, 33282860, 66565720]

約数ペア:

[(1, 66565720), (2, 33282860), (4, 16641430), (5, 13313144), (8, 8320715), (10, 6656572), (13, 5120440), (20, 3328286), (26, 2560220), (40, 1664143), (43, 1548040), (52, 1280110), (65, 1024088), (86, 774020), (104, 640055), (130, 512044), (169, 393880), (172, 387010), (215, 309608), (229, 290680), (260, 256022), (338, 196940), (344, 193505), (430, 154804), (458, 145340), (520, 128011), (559, 119080), (676, 98470), (845, 78776), (860, 77402), (916, 72670), (1118, 59540), (1145, 58136), (1352, 49235), (1690, 39388), (1720, 38701), (1832, 36335), (2236, 29770), (2290, 29068), (2795, 23816), (2977, 22360), (3380, 19694), (4472, 14885), (4580, 14534), (5590, 11908), (5954, 11180), (6760, 9847), (7267, 9160)]