15220480

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:102

約数の個数: 144

約数和(自身を含む): 42384384

約数和(自身を除く): 27163904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 47, 55, 64, 80, 88, 92, 94, 110, 115, 128, 160, 176, 184, 188, 220, 230, 235, 253, 256, 320, 352, 368, 376, 440, 460, 470, 506, 517, 640, 704, 736, 752, 880, 920, 940, 1012, 1034, 1081, 1265, 1280, 1408, 1472, 1504, 1760, 1840, 1880, 2024, 2068, 2162, 2530, 2585, 2816, 2944, 3008, 3520, 3680, 3760, 4048, 4136, 4324, 5060, 5170, 5405, 5888, 6016, 7040, 7360, 7520, 8096, 8272, 8648, 10120, 10340, 10810, 11891, 12032, 14080, 14720, 15040, 16192, 16544, 17296, 20240, 20680, 21620, 23782, 29440, 30080, 32384, 33088, 34592, 40480, 41360, 43240, 47564, 59455, 60160, 64768, 66176, 69184, 80960, 82720, 86480, 95128, 118910, 132352, 138368, 161920, 165440, 172960, 190256, 237820, 276736, 323840, 330880, 345920, 380512, 475640, 661760, 691840, 761024, 951280, 1383680, 1522048, 1902560, 3044096, 3805120, 7610240, 15220480]

約数ペア:

[(1, 15220480), (2, 7610240), (4, 3805120), (5, 3044096), (8, 1902560), (10, 1522048), (11, 1383680), (16, 951280), (20, 761024), (22, 691840), (23, 661760), (32, 475640), (40, 380512), (44, 345920), (46, 330880), (47, 323840), (55, 276736), (64, 237820), (80, 190256), (88, 172960), (92, 165440), (94, 161920), (110, 138368), (115, 132352), (128, 118910), (160, 95128), (176, 86480), (184, 82720), (188, 80960), (220, 69184), (230, 66176), (235, 64768), (253, 60160), (256, 59455), (320, 47564), (352, 43240), (368, 41360), (376, 40480), (440, 34592), (460, 33088), (470, 32384), (506, 30080), (517, 29440), (640, 23782), (704, 21620), (736, 20680), (752, 20240), (880, 17296), (920, 16544), (940, 16192), (1012, 15040), (1034, 14720), (1081, 14080), (1265, 12032), (1280, 11891), (1408, 10810), (1472, 10340), (1504, 10120), (1760, 8648), (1840, 8272), (1880, 8096), (2024, 7520), (2068, 7360), (2162, 7040), (2530, 6016), (2585, 5888), (2816, 5405), (2944, 5170), (3008, 5060), (3520, 4324), (3680, 4136), (3760, 4048)]