66771520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 112

約数和(自身を含む): 168542208

約数和(自身を除く): 101770688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 80, 106, 124, 127, 155, 160, 212, 248, 254, 265, 310, 320, 424, 496, 508, 530, 620, 635, 848, 992, 1016, 1060, 1240, 1270, 1643, 1696, 1984, 2032, 2120, 2480, 2540, 3286, 3392, 3937, 4064, 4240, 4960, 5080, 6572, 6731, 7874, 8128, 8215, 8480, 9920, 10160, 13144, 13462, 15748, 16430, 16960, 19685, 20320, 26288, 26924, 31496, 32860, 33655, 39370, 40640, 52576, 53848, 62992, 65720, 67310, 78740, 105152, 107696, 125984, 131440, 134620, 157480, 208661, 215392, 251968, 262880, 269240, 314960, 417322, 430784, 525760, 538480, 629920, 834644, 1043305, 1076960, 1259840, 1669288, 2086610, 2153920, 3338576, 4173220, 6677152, 8346440, 13354304, 16692880, 33385760, 66771520]

約数ペア:

[(1, 66771520), (2, 33385760), (4, 16692880), (5, 13354304), (8, 8346440), (10, 6677152), (16, 4173220), (20, 3338576), (31, 2153920), (32, 2086610), (40, 1669288), (53, 1259840), (62, 1076960), (64, 1043305), (80, 834644), (106, 629920), (124, 538480), (127, 525760), (155, 430784), (160, 417322), (212, 314960), (248, 269240), (254, 262880), (265, 251968), (310, 215392), (320, 208661), (424, 157480), (496, 134620), (508, 131440), (530, 125984), (620, 107696), (635, 105152), (848, 78740), (992, 67310), (1016, 65720), (1060, 62992), (1240, 53848), (1270, 52576), (1643, 40640), (1696, 39370), (1984, 33655), (2032, 32860), (2120, 31496), (2480, 26924), (2540, 26288), (3286, 20320), (3392, 19685), (3937, 16960), (4064, 16430), (4240, 15748), (4960, 13462), (5080, 13144), (6572, 10160), (6731, 9920), (7874, 8480), (8128, 8215)]