72480800

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{43}}^2$

素因数の和:120

約数の個数: 162

約数和(自身を含む): 210730653

約数和(自身を除く): 138249853

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 43, 49, 50, 56, 70, 80, 86, 98, 100, 112, 140, 160, 172, 175, 196, 200, 215, 224, 245, 280, 301, 344, 350, 392, 400, 430, 490, 560, 602, 688, 700, 784, 800, 860, 980, 1075, 1120, 1204, 1225, 1376, 1400, 1505, 1568, 1720, 1849, 1960, 2107, 2150, 2408, 2450, 2800, 3010, 3440, 3698, 3920, 4214, 4300, 4816, 4900, 5600, 6020, 6880, 7396, 7525, 7840, 8428, 8600, 9245, 9632, 9800, 10535, 12040, 12943, 14792, 15050, 16856, 17200, 18490, 19600, 21070, 24080, 25886, 29584, 30100, 33712, 34400, 36980, 39200, 42140, 46225, 48160, 51772, 52675, 59168, 60200, 64715, 67424, 73960, 84280, 90601, 92450, 103544, 105350, 120400, 129430, 147920, 168560, 181202, 184900, 207088, 210700, 240800, 258860, 295840, 323575, 337120, 362404, 369800, 414176, 421400, 453005, 517720, 647150, 724808, 739600, 842800, 906010, 1035440, 1294300, 1449616, 1479200, 1685600, 1812020, 2070880, 2265025, 2588600, 2899232, 3624040, 4530050, 5177200, 7248080, 9060100, 10354400, 14496160, 18120200, 36240400, 72480800]

約数ペア:

[(1, 72480800), (2, 36240400), (4, 18120200), (5, 14496160), (7, 10354400), (8, 9060100), (10, 7248080), (14, 5177200), (16, 4530050), (20, 3624040), (25, 2899232), (28, 2588600), (32, 2265025), (35, 2070880), (40, 1812020), (43, 1685600), (49, 1479200), (50, 1449616), (56, 1294300), (70, 1035440), (80, 906010), (86, 842800), (98, 739600), (100, 724808), (112, 647150), (140, 517720), (160, 453005), (172, 421400), (175, 414176), (196, 369800), (200, 362404), (215, 337120), (224, 323575), (245, 295840), (280, 258860), (301, 240800), (344, 210700), (350, 207088), (392, 184900), (400, 181202), (430, 168560), (490, 147920), (560, 129430), (602, 120400), (688, 105350), (700, 103544), (784, 92450), (800, 90601), (860, 84280), (980, 73960), (1075, 67424), (1120, 64715), (1204, 60200), (1225, 59168), (1376, 52675), (1400, 51772), (1505, 48160), (1568, 46225), (1720, 42140), (1849, 39200), (1960, 36980), (2107, 34400), (2150, 33712), (2408, 30100), (2450, 29584), (2800, 25886), (3010, 24080), (3440, 21070), (3698, 19600), (3920, 18490), (4214, 17200), (4300, 16856), (4816, 15050), (4900, 14792), (5600, 12943), (6020, 12040), (6880, 10535), (7396, 9800), (7525, 9632), (7840, 9245), (8428, 8600)]