211678720

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7517}}^1$

素因数の和:7551

約数の個数: 80

約数和(自身を含む): 553745808

約数和(自身を除く): 342067088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 2560, 2816, 3520, 5632, 7040, 7517, 14080, 15034, 28160, 30068, 37585, 60136, 75170, 82687, 120272, 150340, 165374, 240544, 300680, 330748, 413435, 481088, 601360, 661496, 826870, 962176, 1202720, 1322992, 1653740, 1924352, 2405440, 2645984, 3307480, 3848704, 4810880, 5291968, 6614960, 9621760, 10583936, 13229920, 19243520, 21167872, 26459840, 42335744, 52919680, 105839360, 211678720]

約数ペア:

[(1, 211678720), (2, 105839360), (4, 52919680), (5, 42335744), (8, 26459840), (10, 21167872), (11, 19243520), (16, 13229920), (20, 10583936), (22, 9621760), (32, 6614960), (40, 5291968), (44, 4810880), (55, 3848704), (64, 3307480), (80, 2645984), (88, 2405440), (110, 1924352), (128, 1653740), (160, 1322992), (176, 1202720), (220, 962176), (256, 826870), (320, 661496), (352, 601360), (440, 481088), (512, 413435), (640, 330748), (704, 300680), (880, 240544), (1280, 165374), (1408, 150340), (1760, 120272), (2560, 82687), (2816, 75170), (3520, 60136), (5632, 37585), (7040, 30068), (7517, 28160), (14080, 15034)]