278541480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:528

約数の個数: 192

約数和(自身を含む): 982333440

約数和(自身を除く): 703791960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 127, 140, 147, 168, 196, 210, 245, 254, 280, 294, 373, 381, 392, 420, 490, 508, 588, 635, 735, 746, 762, 840, 889, 980, 1016, 1119, 1176, 1270, 1470, 1492, 1524, 1778, 1865, 1905, 1960, 2238, 2540, 2611, 2667, 2940, 2984, 3048, 3556, 3730, 3810, 4445, 4476, 5080, 5222, 5334, 5595, 5880, 6223, 7112, 7460, 7620, 7833, 8890, 8952, 10444, 10668, 11190, 12446, 13055, 13335, 14920, 15240, 15666, 17780, 18277, 18669, 20888, 21336, 22380, 24892, 26110, 26670, 31115, 31332, 35560, 36554, 37338, 39165, 44760, 47371, 49784, 52220, 53340, 54831, 62230, 62664, 73108, 74676, 78330, 91385, 93345, 94742, 104440, 106680, 109662, 124460, 142113, 146216, 149352, 156660, 182770, 186690, 189484, 219324, 236855, 248920, 274155, 284226, 313320, 331597, 365540, 373380, 378968, 438648, 473710, 548310, 568452, 663194, 710565, 731080, 746760, 947420, 994791, 1096620, 1136904, 1326388, 1421130, 1657985, 1894840, 1989582, 2193240, 2321179, 2652776, 2842260, 3315970, 3979164, 4642358, 4973955, 5684520, 6631940, 6963537, 7958328, 9284716, 9947910, 11605895, 13263880, 13927074, 18569432, 19895820, 23211790, 27854148, 34817685, 39791640, 46423580, 55708296, 69635370, 92847160, 139270740, 278541480]

約数ペア:

[(1, 278541480), (2, 139270740), (3, 92847160), (4, 69635370), (5, 55708296), (6, 46423580), (7, 39791640), (8, 34817685), (10, 27854148), (12, 23211790), (14, 19895820), (15, 18569432), (20, 13927074), (21, 13263880), (24, 11605895), (28, 9947910), (30, 9284716), (35, 7958328), (40, 6963537), (42, 6631940), (49, 5684520), (56, 4973955), (60, 4642358), (70, 3979164), (84, 3315970), (98, 2842260), (105, 2652776), (120, 2321179), (127, 2193240), (140, 1989582), (147, 1894840), (168, 1657985), (196, 1421130), (210, 1326388), (245, 1136904), (254, 1096620), (280, 994791), (294, 947420), (373, 746760), (381, 731080), (392, 710565), (420, 663194), (490, 568452), (508, 548310), (588, 473710), (635, 438648), (735, 378968), (746, 373380), (762, 365540), (840, 331597), (889, 313320), (980, 284226), (1016, 274155), (1119, 248920), (1176, 236855), (1270, 219324), (1470, 189484), (1492, 186690), (1524, 182770), (1778, 156660), (1865, 149352), (1905, 146216), (1960, 142113), (2238, 124460), (2540, 109662), (2611, 106680), (2667, 104440), (2940, 94742), (2984, 93345), (3048, 91385), (3556, 78330), (3730, 74676), (3810, 73108), (4445, 62664), (4476, 62230), (5080, 54831), (5222, 53340), (5334, 52220), (5595, 49784), (5880, 47371), (6223, 44760), (7112, 39165), (7460, 37338), (7620, 36554), (7833, 35560), (8890, 31332), (8952, 31115), (10444, 26670), (10668, 26110), (11190, 24892), (12446, 22380), (13055, 21336), (13335, 20888), (14920, 18669), (15240, 18277), (15666, 17780)]