131481280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{743}}^1$

素因数の和:846

約数の個数: 112

約数和(自身を含む): 362833920

約数和(自身を除く): 231352640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 140, 158, 160, 224, 280, 316, 320, 395, 448, 553, 560, 632, 743, 790, 1106, 1120, 1264, 1486, 1580, 2212, 2240, 2528, 2765, 2972, 3160, 3715, 4424, 5056, 5201, 5530, 5944, 6320, 7430, 8848, 10402, 11060, 11888, 12640, 14860, 17696, 20804, 22120, 23776, 25280, 26005, 29720, 35392, 41608, 44240, 47552, 52010, 58697, 59440, 83216, 88480, 104020, 117394, 118880, 166432, 176960, 208040, 234788, 237760, 293485, 332864, 410879, 416080, 469576, 586970, 821758, 832160, 939152, 1173940, 1643516, 1664320, 1878304, 2054395, 2347880, 3287032, 3756608, 4108790, 4695760, 6574064, 8217580, 9391520, 13148128, 16435160, 18783040, 26296256, 32870320, 65740640, 131481280]

約数ペア:

[(1, 131481280), (2, 65740640), (4, 32870320), (5, 26296256), (7, 18783040), (8, 16435160), (10, 13148128), (14, 9391520), (16, 8217580), (20, 6574064), (28, 4695760), (32, 4108790), (35, 3756608), (40, 3287032), (56, 2347880), (64, 2054395), (70, 1878304), (79, 1664320), (80, 1643516), (112, 1173940), (140, 939152), (158, 832160), (160, 821758), (224, 586970), (280, 469576), (316, 416080), (320, 410879), (395, 332864), (448, 293485), (553, 237760), (560, 234788), (632, 208040), (743, 176960), (790, 166432), (1106, 118880), (1120, 117394), (1264, 104020), (1486, 88480), (1580, 83216), (2212, 59440), (2240, 58697), (2528, 52010), (2765, 47552), (2972, 44240), (3160, 41608), (3715, 35392), (4424, 29720), (5056, 26005), (5201, 25280), (5530, 23776), (5944, 22120), (6320, 20804), (7430, 17696), (8848, 14860), (10402, 12640), (11060, 11888)]