2156864640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{160481}}^1$

素因数の和:160510

約数の個数: 128

約数和(自身を含む): 7857198720

約数和(自身を除く): 5700334080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 160481, 320962, 481443, 641924, 802405, 962886, 1123367, 1283848, 1604810, 1925772, 2246734, 2407215, 2567696, 3209620, 3370101, 3851544, 4493468, 4814430, 5135392, 5616835, 6419240, 6740202, 7703088, 8986936, 9628860, 10270784, 11233670, 12838480, 13480404, 15406176, 16850505, 17973872, 19257720, 20541568, 22467340, 25676960, 26960808, 30812352, 33701010, 35947744, 38515440, 44934680, 51353920, 53921616, 61624704, 67402020, 71895488, 77030880, 89869360, 102707840, 107843232, 134804040, 143790976, 154061760, 179738720, 215686464, 269608080, 308123520, 359477440, 431372928, 539216160, 718954880, 1078432320, 2156864640]

約数ペア:

[(1, 2156864640), (2, 1078432320), (3, 718954880), (4, 539216160), (5, 431372928), (6, 359477440), (7, 308123520), (8, 269608080), (10, 215686464), (12, 179738720), (14, 154061760), (15, 143790976), (16, 134804040), (20, 107843232), (21, 102707840), (24, 89869360), (28, 77030880), (30, 71895488), (32, 67402020), (35, 61624704), (40, 53921616), (42, 51353920), (48, 44934680), (56, 38515440), (60, 35947744), (64, 33701010), (70, 30812352), (80, 26960808), (84, 25676960), (96, 22467340), (105, 20541568), (112, 19257720), (120, 17973872), (128, 16850505), (140, 15406176), (160, 13480404), (168, 12838480), (192, 11233670), (210, 10270784), (224, 9628860), (240, 8986936), (280, 7703088), (320, 6740202), (336, 6419240), (384, 5616835), (420, 5135392), (448, 4814430), (480, 4493468), (560, 3851544), (640, 3370101), (672, 3209620), (840, 2567696), (896, 2407215), (960, 2246734), (1120, 1925772), (1344, 1604810), (1680, 1283848), (1920, 1123367), (2240, 962886), (2688, 802405), (3360, 641924), (4480, 481443), (6720, 320962), (13440, 160481)]