256236960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{76261}}^1$

素因数の和:76286

約数の個数: 96

約数和(自身を含む): 922465152

約数和(自身を除く): 666228192

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, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 76261, 152522, 228783, 305044, 381305, 457566, 533827, 610088, 762610, 915132, 1067654, 1143915, 1220176, 1525220, 1601481, 1830264, 2135308, 2287830, 2440352, 2669135, 3050440, 3202962, 3660528, 4270616, 4575660, 5338270, 6100880, 6405924, 7321056, 8007405, 8541232, 9151320, 10676540, 12201760, 12811848, 16014810, 17082464, 18302640, 21353080, 25623696, 32029620, 36605280, 42706160, 51247392, 64059240, 85412320, 128118480, 256236960]

約数ペア:

[(1, 256236960), (2, 128118480), (3, 85412320), (4, 64059240), (5, 51247392), (6, 42706160), (7, 36605280), (8, 32029620), (10, 25623696), (12, 21353080), (14, 18302640), (15, 17082464), (16, 16014810), (20, 12811848), (21, 12201760), (24, 10676540), (28, 9151320), (30, 8541232), (32, 8007405), (35, 7321056), (40, 6405924), (42, 6100880), (48, 5338270), (56, 4575660), (60, 4270616), (70, 3660528), (80, 3202962), (84, 3050440), (96, 2669135), (105, 2440352), (112, 2287830), (120, 2135308), (140, 1830264), (160, 1601481), (168, 1525220), (210, 1220176), (224, 1143915), (240, 1067654), (280, 915132), (336, 762610), (420, 610088), (480, 533827), (560, 457566), (672, 381305), (840, 305044), (1120, 228783), (1680, 152522), (3360, 76261)]