128857260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1069}}^1$

素因数の和:1136

約数の個数: 144

約数和(自身を含む): 430345440

約数和(自身を除く): 301488180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 205, 210, 245, 246, 287, 294, 410, 420, 490, 492, 574, 588, 615, 735, 820, 861, 980, 1069, 1148, 1230, 1435, 1470, 1722, 2009, 2138, 2460, 2870, 2940, 3207, 3444, 4018, 4276, 4305, 5345, 5740, 6027, 6414, 7483, 8036, 8610, 10045, 10690, 12054, 12828, 14966, 16035, 17220, 20090, 21380, 22449, 24108, 29932, 30135, 32070, 37415, 40180, 43829, 44898, 52381, 60270, 64140, 74830, 87658, 89796, 104762, 112245, 120540, 131487, 149660, 157143, 175316, 209524, 219145, 224490, 261905, 262974, 306803, 314286, 438290, 448980, 523810, 525948, 613606, 628572, 657435, 785715, 876580, 920409, 1047620, 1227212, 1314870, 1534015, 1571430, 1840818, 2147621, 2629740, 3068030, 3142860, 3681636, 4295242, 4602045, 6136060, 6442863, 8590484, 9204090, 10738105, 12885726, 18408180, 21476210, 25771452, 32214315, 42952420, 64428630, 128857260]

約数ペア:

[(1, 128857260), (2, 64428630), (3, 42952420), (4, 32214315), (5, 25771452), (6, 21476210), (7, 18408180), (10, 12885726), (12, 10738105), (14, 9204090), (15, 8590484), (20, 6442863), (21, 6136060), (28, 4602045), (30, 4295242), (35, 3681636), (41, 3142860), (42, 3068030), (49, 2629740), (60, 2147621), (70, 1840818), (82, 1571430), (84, 1534015), (98, 1314870), (105, 1227212), (123, 1047620), (140, 920409), (147, 876580), (164, 785715), (196, 657435), (205, 628572), (210, 613606), (245, 525948), (246, 523810), (287, 448980), (294, 438290), (410, 314286), (420, 306803), (490, 262974), (492, 261905), (574, 224490), (588, 219145), (615, 209524), (735, 175316), (820, 157143), (861, 149660), (980, 131487), (1069, 120540), (1148, 112245), (1230, 104762), (1435, 89796), (1470, 87658), (1722, 74830), (2009, 64140), (2138, 60270), (2460, 52381), (2870, 44898), (2940, 43829), (3207, 40180), (3444, 37415), (4018, 32070), (4276, 30135), (4305, 29932), (5345, 24108), (5740, 22449), (6027, 21380), (6414, 20090), (7483, 17220), (8036, 16035), (8610, 14966), (10045, 12828), (10690, 12054)]