290741640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3889}}^1$

素因数の和:3999

約数の個数: 128

約数和(自身を含む): 1008288000

約数和(自身を除く): 717546360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 89, 105, 120, 140, 168, 178, 210, 267, 280, 356, 420, 445, 534, 623, 712, 840, 890, 1068, 1246, 1335, 1780, 1869, 2136, 2492, 2670, 3115, 3560, 3738, 3889, 4984, 5340, 6230, 7476, 7778, 9345, 10680, 11667, 12460, 14952, 15556, 18690, 19445, 23334, 24920, 27223, 31112, 37380, 38890, 46668, 54446, 58335, 74760, 77780, 81669, 93336, 108892, 116670, 136115, 155560, 163338, 217784, 233340, 272230, 326676, 346121, 408345, 466680, 544460, 653352, 692242, 816690, 1038363, 1088920, 1384484, 1633380, 1730605, 2076726, 2422847, 2768968, 3266760, 3461210, 4153452, 4845694, 5191815, 6922420, 7268541, 8306904, 9691388, 10383630, 12114235, 13844840, 14537082, 19382776, 20767260, 24228470, 29074164, 36342705, 41534520, 48456940, 58148328, 72685410, 96913880, 145370820, 290741640]

約数ペア:

[(1, 290741640), (2, 145370820), (3, 96913880), (4, 72685410), (5, 58148328), (6, 48456940), (7, 41534520), (8, 36342705), (10, 29074164), (12, 24228470), (14, 20767260), (15, 19382776), (20, 14537082), (21, 13844840), (24, 12114235), (28, 10383630), (30, 9691388), (35, 8306904), (40, 7268541), (42, 6922420), (56, 5191815), (60, 4845694), (70, 4153452), (84, 3461210), (89, 3266760), (105, 2768968), (120, 2422847), (140, 2076726), (168, 1730605), (178, 1633380), (210, 1384484), (267, 1088920), (280, 1038363), (356, 816690), (420, 692242), (445, 653352), (534, 544460), (623, 466680), (712, 408345), (840, 346121), (890, 326676), (1068, 272230), (1246, 233340), (1335, 217784), (1780, 163338), (1869, 155560), (2136, 136115), (2492, 116670), (2670, 108892), (3115, 93336), (3560, 81669), (3738, 77780), (3889, 74760), (4984, 58335), (5340, 54446), (6230, 46668), (7476, 38890), (7778, 37380), (9345, 31112), (10680, 27223), (11667, 24920), (12460, 23334), (14952, 19445), (15556, 18690)]