315381640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:340

約数の個数: 128

約数和(自身を含む): 838656000

約数和(自身を除く): 523274360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 127, 140, 181, 196, 245, 254, 280, 343, 362, 392, 490, 508, 635, 686, 724, 889, 905, 980, 1016, 1267, 1270, 1372, 1448, 1715, 1778, 1810, 1960, 2534, 2540, 2744, 3430, 3556, 3620, 4445, 5068, 5080, 6223, 6335, 6860, 7112, 7240, 8869, 8890, 10136, 12446, 12670, 13720, 17738, 17780, 22987, 24892, 25340, 31115, 35476, 35560, 43561, 44345, 45974, 49784, 50680, 62083, 62230, 70952, 87122, 88690, 91948, 114935, 124166, 124460, 160909, 174244, 177380, 183896, 217805, 229870, 248332, 248920, 310415, 321818, 348488, 354760, 435610, 459740, 496664, 620830, 643636, 804545, 871220, 919480, 1126363, 1241660, 1287272, 1609090, 1742440, 2252726, 2483320, 3218180, 4505452, 5631815, 6436360, 7884541, 9010904, 11263630, 15769082, 22527260, 31538164, 39422705, 45054520, 63076328, 78845410, 157690820, 315381640]

約数ペア:

[(1, 315381640), (2, 157690820), (4, 78845410), (5, 63076328), (7, 45054520), (8, 39422705), (10, 31538164), (14, 22527260), (20, 15769082), (28, 11263630), (35, 9010904), (40, 7884541), (49, 6436360), (56, 5631815), (70, 4505452), (98, 3218180), (127, 2483320), (140, 2252726), (181, 1742440), (196, 1609090), (245, 1287272), (254, 1241660), (280, 1126363), (343, 919480), (362, 871220), (392, 804545), (490, 643636), (508, 620830), (635, 496664), (686, 459740), (724, 435610), (889, 354760), (905, 348488), (980, 321818), (1016, 310415), (1267, 248920), (1270, 248332), (1372, 229870), (1448, 217805), (1715, 183896), (1778, 177380), (1810, 174244), (1960, 160909), (2534, 124460), (2540, 124166), (2744, 114935), (3430, 91948), (3556, 88690), (3620, 87122), (4445, 70952), (5068, 62230), (5080, 62083), (6223, 50680), (6335, 49784), (6860, 45974), (7112, 44345), (7240, 43561), (8869, 35560), (8890, 35476), (10136, 31115), (12446, 25340), (12670, 24892), (13720, 22987), (17738, 17780)]