143920640

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3307}}^1$

素因数の和:3347

約数の個数: 80

約数和(自身を含む): 365481072

約数和(自身を除く): 221560432

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 2176, 2560, 2720, 3307, 4352, 5440, 6614, 8704, 10880, 13228, 16535, 21760, 26456, 33070, 43520, 52912, 56219, 66140, 105824, 112438, 132280, 211648, 224876, 264560, 281095, 423296, 449752, 529120, 562190, 846592, 899504, 1058240, 1124380, 1693184, 1799008, 2116480, 2248760, 3598016, 4232960, 4497520, 7196032, 8465920, 8995040, 14392064, 17990080, 28784128, 35980160, 71960320, 143920640]

約数ペア:

[(1, 143920640), (2, 71960320), (4, 35980160), (5, 28784128), (8, 17990080), (10, 14392064), (16, 8995040), (17, 8465920), (20, 7196032), (32, 4497520), (34, 4232960), (40, 3598016), (64, 2248760), (68, 2116480), (80, 1799008), (85, 1693184), (128, 1124380), (136, 1058240), (160, 899504), (170, 846592), (256, 562190), (272, 529120), (320, 449752), (340, 423296), (512, 281095), (544, 264560), (640, 224876), (680, 211648), (1088, 132280), (1280, 112438), (1360, 105824), (2176, 66140), (2560, 56219), (2720, 52912), (3307, 43520), (4352, 33070), (5440, 26456), (6614, 21760), (8704, 16535), (10880, 13228)]