72917600

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:505

約数の個数: 144

約数和(自身を含む): 210924000

約数和(自身を除く): 138006400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 32, 35, 40, 50, 56, 58, 70, 80, 100, 112, 116, 140, 145, 160, 175, 200, 203, 224, 232, 280, 290, 350, 400, 406, 449, 464, 560, 580, 700, 725, 800, 812, 898, 928, 1015, 1120, 1160, 1400, 1450, 1624, 1796, 2030, 2245, 2320, 2800, 2900, 3143, 3248, 3592, 4060, 4490, 4640, 5075, 5600, 5800, 6286, 6496, 7184, 8120, 8980, 10150, 11225, 11600, 12572, 13021, 14368, 15715, 16240, 17960, 20300, 22450, 23200, 25144, 26042, 31430, 32480, 35920, 40600, 44900, 50288, 52084, 62860, 65105, 71840, 78575, 81200, 89800, 91147, 100576, 104168, 125720, 130210, 157150, 162400, 179600, 182294, 208336, 251440, 260420, 314300, 325525, 359200, 364588, 416672, 455735, 502880, 520840, 628600, 651050, 729176, 911470, 1041680, 1257200, 1302100, 1458352, 1822940, 2083360, 2278675, 2514400, 2604200, 2916704, 3645880, 4557350, 5208400, 7291760, 9114700, 10416800, 14583520, 18229400, 36458800, 72917600]

約数ペア:

[(1, 72917600), (2, 36458800), (4, 18229400), (5, 14583520), (7, 10416800), (8, 9114700), (10, 7291760), (14, 5208400), (16, 4557350), (20, 3645880), (25, 2916704), (28, 2604200), (29, 2514400), (32, 2278675), (35, 2083360), (40, 1822940), (50, 1458352), (56, 1302100), (58, 1257200), (70, 1041680), (80, 911470), (100, 729176), (112, 651050), (116, 628600), (140, 520840), (145, 502880), (160, 455735), (175, 416672), (200, 364588), (203, 359200), (224, 325525), (232, 314300), (280, 260420), (290, 251440), (350, 208336), (400, 182294), (406, 179600), (449, 162400), (464, 157150), (560, 130210), (580, 125720), (700, 104168), (725, 100576), (800, 91147), (812, 89800), (898, 81200), (928, 78575), (1015, 71840), (1120, 65105), (1160, 62860), (1400, 52084), (1450, 50288), (1624, 44900), (1796, 40600), (2030, 35920), (2245, 32480), (2320, 31430), (2800, 26042), (2900, 25144), (3143, 23200), (3248, 22450), (3592, 20300), (4060, 17960), (4490, 16240), (4640, 15715), (5075, 14368), (5600, 13021), (5800, 12572), (6286, 11600), (6496, 11225), (7184, 10150), (8120, 8980)]