261641280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{607}}^1$

素因数の和:1076

約数の個数: 112

約数和(自身を含む): 833932800

約数和(自身を除く): 572291520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 449, 480, 607, 898, 960, 1214, 1347, 1796, 1821, 2245, 2428, 2694, 3035, 3592, 3642, 4490, 4856, 5388, 6070, 6735, 7184, 7284, 8980, 9105, 9712, 10776, 12140, 13470, 14368, 14568, 17960, 18210, 19424, 21552, 24280, 26940, 28736, 29136, 35920, 36420, 38848, 43104, 48560, 53880, 58272, 71840, 72840, 86208, 97120, 107760, 116544, 143680, 145680, 194240, 215520, 272543, 291360, 431040, 545086, 582720, 817629, 1090172, 1362715, 1635258, 2180344, 2725430, 3270516, 4088145, 4360688, 5450860, 6541032, 8176290, 8721376, 10901720, 13082064, 16352580, 17442752, 21803440, 26164128, 32705160, 43606880, 52328256, 65410320, 87213760, 130820640, 261641280]

約数ペア:

[(1, 261641280), (2, 130820640), (3, 87213760), (4, 65410320), (5, 52328256), (6, 43606880), (8, 32705160), (10, 26164128), (12, 21803440), (15, 17442752), (16, 16352580), (20, 13082064), (24, 10901720), (30, 8721376), (32, 8176290), (40, 6541032), (48, 5450860), (60, 4360688), (64, 4088145), (80, 3270516), (96, 2725430), (120, 2180344), (160, 1635258), (192, 1362715), (240, 1090172), (320, 817629), (449, 582720), (480, 545086), (607, 431040), (898, 291360), (960, 272543), (1214, 215520), (1347, 194240), (1796, 145680), (1821, 143680), (2245, 116544), (2428, 107760), (2694, 97120), (3035, 86208), (3592, 72840), (3642, 71840), (4490, 58272), (4856, 53880), (5388, 48560), (6070, 43104), (6735, 38848), (7184, 36420), (7284, 35920), (8980, 29136), (9105, 28736), (9712, 26940), (10776, 24280), (12140, 21552), (13470, 19424), (14368, 18210), (14568, 17960)]