122928640

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1603

約数の個数: 80

約数和(自身を含む): 304444800

約数和(自身を除く): 181516160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1549, 1984, 2480, 2560, 3098, 3968, 4960, 6196, 7745, 7936, 9920, 12392, 15490, 15872, 19840, 24784, 30980, 39680, 48019, 49568, 61960, 79360, 96038, 99136, 123920, 192076, 198272, 240095, 247840, 384152, 396544, 480190, 495680, 768304, 793088, 960380, 991360, 1536608, 1920760, 1982720, 3073216, 3841520, 3965440, 6146432, 7683040, 12292864, 15366080, 24585728, 30732160, 61464320, 122928640]

約数ペア:

[(1, 122928640), (2, 61464320), (4, 30732160), (5, 24585728), (8, 15366080), (10, 12292864), (16, 7683040), (20, 6146432), (31, 3965440), (32, 3841520), (40, 3073216), (62, 1982720), (64, 1920760), (80, 1536608), (124, 991360), (128, 960380), (155, 793088), (160, 768304), (248, 495680), (256, 480190), (310, 396544), (320, 384152), (496, 247840), (512, 240095), (620, 198272), (640, 192076), (992, 123920), (1240, 99136), (1280, 96038), (1549, 79360), (1984, 61960), (2480, 49568), (2560, 48019), (3098, 39680), (3968, 30980), (4960, 24784), (6196, 19840), (7745, 15872), (7936, 15490), (9920, 12392)]