904565120

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:536

約数の個数: 128

約数和(自身を含む): 2256076800

約数和(自身を除く): 1351511680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 128, 155, 160, 248, 254, 310, 320, 359, 496, 508, 620, 635, 640, 718, 992, 1016, 1240, 1270, 1436, 1795, 1984, 2032, 2480, 2540, 2872, 3590, 3937, 3968, 4064, 4960, 5080, 5744, 7180, 7874, 8128, 9920, 10160, 11129, 11488, 14360, 15748, 16256, 19685, 19840, 20320, 22258, 22976, 28720, 31496, 39370, 40640, 44516, 45593, 45952, 55645, 57440, 62992, 78740, 81280, 89032, 91186, 111290, 114880, 125984, 157480, 178064, 182372, 222580, 227965, 229760, 251968, 314960, 356128, 364744, 445160, 455930, 503936, 629920, 712256, 729488, 890320, 911860, 1259840, 1413383, 1424512, 1458976, 1780640, 1823720, 2519680, 2826766, 2917952, 3561280, 3647440, 5653532, 5835904, 7066915, 7122560, 7294880, 11307064, 14133830, 14589760, 22614128, 28267660, 29179520, 45228256, 56535320, 90456512, 113070640, 180913024, 226141280, 452282560, 904565120]

約数ペア:

[(1, 904565120), (2, 452282560), (4, 226141280), (5, 180913024), (8, 113070640), (10, 90456512), (16, 56535320), (20, 45228256), (31, 29179520), (32, 28267660), (40, 22614128), (62, 14589760), (64, 14133830), (80, 11307064), (124, 7294880), (127, 7122560), (128, 7066915), (155, 5835904), (160, 5653532), (248, 3647440), (254, 3561280), (310, 2917952), (320, 2826766), (359, 2519680), (496, 1823720), (508, 1780640), (620, 1458976), (635, 1424512), (640, 1413383), (718, 1259840), (992, 911860), (1016, 890320), (1240, 729488), (1270, 712256), (1436, 629920), (1795, 503936), (1984, 455930), (2032, 445160), (2480, 364744), (2540, 356128), (2872, 314960), (3590, 251968), (3937, 229760), (3968, 227965), (4064, 222580), (4960, 182372), (5080, 178064), (5744, 157480), (7180, 125984), (7874, 114880), (8128, 111290), (9920, 91186), (10160, 89032), (11129, 81280), (11488, 78740), (14360, 62992), (15748, 57440), (16256, 55645), (19685, 45952), (19840, 45593), (20320, 44516), (22258, 40640), (22976, 39370), (28720, 31496)]