251558160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{21391}}^1$

素因数の和:21421

約数の個数: 120

約数和(自身を含む): 907191936

約数和(自身を除く): 655633776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 21391, 42782, 64173, 85564, 106955, 128346, 149737, 171128, 213910, 256692, 299474, 320865, 342256, 427820, 449211, 513384, 598948, 641730, 748685, 855640, 898422, 1026768, 1048159, 1197896, 1283460, 1497370, 1711280, 1796844, 2096318, 2246055, 2395792, 2566920, 2994740, 3144477, 3593688, 4192636, 4492110, 5133840, 5240795, 5989480, 6288954, 7187376, 8385272, 8984220, 10481590, 11978960, 12577908, 15722385, 16770544, 17968440, 20963180, 25155816, 31444770, 35936880, 41926360, 50311632, 62889540, 83852720, 125779080, 251558160]

約数ペア:

[(1, 251558160), (2, 125779080), (3, 83852720), (4, 62889540), (5, 50311632), (6, 41926360), (7, 35936880), (8, 31444770), (10, 25155816), (12, 20963180), (14, 17968440), (15, 16770544), (16, 15722385), (20, 12577908), (21, 11978960), (24, 10481590), (28, 8984220), (30, 8385272), (35, 7187376), (40, 6288954), (42, 5989480), (48, 5240795), (49, 5133840), (56, 4492110), (60, 4192636), (70, 3593688), (80, 3144477), (84, 2994740), (98, 2566920), (105, 2395792), (112, 2246055), (120, 2096318), (140, 1796844), (147, 1711280), (168, 1497370), (196, 1283460), (210, 1197896), (240, 1048159), (245, 1026768), (280, 898422), (294, 855640), (336, 748685), (392, 641730), (420, 598948), (490, 513384), (560, 449211), (588, 427820), (735, 342256), (784, 320865), (840, 299474), (980, 256692), (1176, 213910), (1470, 171128), (1680, 149737), (1960, 128346), (2352, 106955), (2940, 85564), (3920, 64173), (5880, 42782), (11760, 21391)]