78479820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 192

約数和(自身を含む): 264176640

約数和(自身を除く): 185696820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 83, 85, 90, 102, 103, 108, 135, 153, 166, 170, 180, 204, 206, 249, 255, 270, 306, 309, 332, 340, 412, 415, 459, 498, 510, 515, 540, 612, 618, 747, 765, 830, 918, 927, 996, 1020, 1030, 1236, 1245, 1411, 1494, 1530, 1545, 1660, 1751, 1836, 1854, 2060, 2241, 2295, 2490, 2781, 2822, 2988, 3060, 3090, 3502, 3708, 3735, 4233, 4482, 4590, 4635, 4980, 5253, 5562, 5644, 6180, 7004, 7055, 7470, 8466, 8549, 8755, 8964, 9180, 9270, 10506, 11124, 11205, 12699, 13905, 14110, 14940, 15759, 16932, 17098, 17510, 18540, 21012, 21165, 22410, 25398, 25647, 26265, 27810, 28220, 31518, 34196, 35020, 38097, 42330, 42745, 44820, 47277, 50796, 51294, 52530, 55620, 63036, 63495, 76194, 76941, 78795, 84660, 85490, 94554, 102588, 105060, 126990, 128235, 145333, 152388, 153882, 157590, 170980, 189108, 190485, 230823, 236385, 253980, 256470, 290666, 307764, 315180, 380970, 384705, 435999, 461646, 472770, 512940, 581332, 726665, 761940, 769410, 871998, 923292, 945540, 1154115, 1307997, 1453330, 1538820, 1743996, 2179995, 2308230, 2615994, 2906660, 3923991, 4359990, 4616460, 5231988, 6539985, 7847982, 8719980, 13079970, 15695964, 19619955, 26159940, 39239910, 78479820]

約数ペア:

[(1, 78479820), (2, 39239910), (3, 26159940), (4, 19619955), (5, 15695964), (6, 13079970), (9, 8719980), (10, 7847982), (12, 6539985), (15, 5231988), (17, 4616460), (18, 4359990), (20, 3923991), (27, 2906660), (30, 2615994), (34, 2308230), (36, 2179995), (45, 1743996), (51, 1538820), (54, 1453330), (60, 1307997), (68, 1154115), (83, 945540), (85, 923292), (90, 871998), (102, 769410), (103, 761940), (108, 726665), (135, 581332), (153, 512940), (166, 472770), (170, 461646), (180, 435999), (204, 384705), (206, 380970), (249, 315180), (255, 307764), (270, 290666), (306, 256470), (309, 253980), (332, 236385), (340, 230823), (412, 190485), (415, 189108), (459, 170980), (498, 157590), (510, 153882), (515, 152388), (540, 145333), (612, 128235), (618, 126990), (747, 105060), (765, 102588), (830, 94554), (918, 85490), (927, 84660), (996, 78795), (1020, 76941), (1030, 76194), (1236, 63495), (1245, 63036), (1411, 55620), (1494, 52530), (1530, 51294), (1545, 50796), (1660, 47277), (1751, 44820), (1836, 42745), (1854, 42330), (2060, 38097), (2241, 35020), (2295, 34196), (2490, 31518), (2781, 28220), (2822, 27810), (2988, 26265), (3060, 25647), (3090, 25398), (3502, 22410), (3708, 21165), (3735, 21012), (4233, 18540), (4482, 17510), (4590, 17098), (4635, 16932), (4980, 15759), (5253, 14940), (5562, 14110), (5644, 13905), (6180, 12699), (7004, 11205), (7055, 11124), (7470, 10506), (8466, 9270), (8549, 9180), (8755, 8964)]