287841280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3307}}^1$

素因数の和:3349

約数の個数: 88

約数和(自身を含む): 731319408

約数和(自身を除く): 443478128

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, 1024, 1088, 1280, 1360, 2176, 2560, 2720, 3307, 4352, 5120, 5440, 6614, 8704, 10880, 13228, 16535, 17408, 21760, 26456, 33070, 43520, 52912, 56219, 66140, 87040, 105824, 112438, 132280, 211648, 224876, 264560, 281095, 423296, 449752, 529120, 562190, 846592, 899504, 1058240, 1124380, 1693184, 1799008, 2116480, 2248760, 3386368, 3598016, 4232960, 4497520, 7196032, 8465920, 8995040, 14392064, 16931840, 17990080, 28784128, 35980160, 57568256, 71960320, 143920640, 287841280]

約数ペア:

[(1, 287841280), (2, 143920640), (4, 71960320), (5, 57568256), (8, 35980160), (10, 28784128), (16, 17990080), (17, 16931840), (20, 14392064), (32, 8995040), (34, 8465920), (40, 7196032), (64, 4497520), (68, 4232960), (80, 3598016), (85, 3386368), (128, 2248760), (136, 2116480), (160, 1799008), (170, 1693184), (256, 1124380), (272, 1058240), (320, 899504), (340, 846592), (512, 562190), (544, 529120), (640, 449752), (680, 423296), (1024, 281095), (1088, 264560), (1280, 224876), (1360, 211648), (2176, 132280), (2560, 112438), (2720, 105824), (3307, 87040), (4352, 66140), (5120, 56219), (5440, 52912), (6614, 43520), (8704, 33070), (10880, 26456), (13228, 21760), (16535, 17408)]