256180680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{367}}^1$

素因数の和:668

約数の個数: 192

約数和(自身を含む): 957565440

約数和(自身を除く): 701384760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 277, 280, 315, 360, 367, 420, 504, 554, 630, 734, 831, 840, 1101, 1108, 1260, 1385, 1468, 1662, 1835, 1939, 2202, 2216, 2493, 2520, 2569, 2770, 2936, 3303, 3324, 3670, 3878, 4155, 4404, 4986, 5138, 5505, 5540, 5817, 6606, 6648, 7340, 7707, 7756, 8310, 8808, 9695, 9972, 10276, 11010, 11080, 11634, 12465, 12845, 13212, 14680, 15414, 15512, 16515, 16620, 17451, 19390, 19944, 20552, 22020, 23121, 23268, 24930, 25690, 26424, 29085, 30828, 33030, 33240, 34902, 38535, 38780, 44040, 46242, 46536, 49860, 51380, 58170, 61656, 66060, 69804, 77070, 77560, 87255, 92484, 99720, 101659, 102760, 115605, 116340, 132120, 139608, 154140, 174510, 184968, 203318, 231210, 232680, 304977, 308280, 349020, 406636, 462420, 508295, 609954, 698040, 711613, 813272, 914931, 924840, 1016590, 1219908, 1423226, 1524885, 1829862, 2033180, 2134839, 2439816, 2846452, 3049770, 3558065, 3659724, 4066360, 4269678, 4574655, 5692904, 6099540, 6404517, 7116130, 7319448, 8539356, 9149310, 10674195, 12199080, 12809034, 14232260, 17078712, 18298620, 21348390, 25618068, 28464520, 32022585, 36597240, 42696780, 51236136, 64045170, 85393560, 128090340, 256180680]

約数ペア:

[(1, 256180680), (2, 128090340), (3, 85393560), (4, 64045170), (5, 51236136), (6, 42696780), (7, 36597240), (8, 32022585), (9, 28464520), (10, 25618068), (12, 21348390), (14, 18298620), (15, 17078712), (18, 14232260), (20, 12809034), (21, 12199080), (24, 10674195), (28, 9149310), (30, 8539356), (35, 7319448), (36, 7116130), (40, 6404517), (42, 6099540), (45, 5692904), (56, 4574655), (60, 4269678), (63, 4066360), (70, 3659724), (72, 3558065), (84, 3049770), (90, 2846452), (105, 2439816), (120, 2134839), (126, 2033180), (140, 1829862), (168, 1524885), (180, 1423226), (210, 1219908), (252, 1016590), (277, 924840), (280, 914931), (315, 813272), (360, 711613), (367, 698040), (420, 609954), (504, 508295), (554, 462420), (630, 406636), (734, 349020), (831, 308280), (840, 304977), (1101, 232680), (1108, 231210), (1260, 203318), (1385, 184968), (1468, 174510), (1662, 154140), (1835, 139608), (1939, 132120), (2202, 116340), (2216, 115605), (2493, 102760), (2520, 101659), (2569, 99720), (2770, 92484), (2936, 87255), (3303, 77560), (3324, 77070), (3670, 69804), (3878, 66060), (4155, 61656), (4404, 58170), (4986, 51380), (5138, 49860), (5505, 46536), (5540, 46242), (5817, 44040), (6606, 38780), (6648, 38535), (7340, 34902), (7707, 33240), (7756, 33030), (8310, 30828), (8808, 29085), (9695, 26424), (9972, 25690), (10276, 24930), (11010, 23268), (11080, 23121), (11634, 22020), (12465, 20552), (12845, 19944), (13212, 19390), (14680, 17451), (15414, 16620), (15512, 16515)]