1587319040

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:528

約数の個数: 144

約数和(自身を含む): 3971573760

約数和(自身を除く): 2384254720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 109, 124, 128, 155, 160, 218, 248, 256, 310, 320, 367, 436, 496, 545, 620, 640, 734, 872, 992, 1090, 1240, 1280, 1468, 1744, 1835, 1984, 2180, 2480, 2936, 3379, 3488, 3670, 3968, 4360, 4960, 5872, 6758, 6976, 7340, 7936, 8720, 9920, 11377, 11744, 13516, 13952, 14680, 16895, 17440, 19840, 22754, 23488, 27032, 27904, 29360, 33790, 34880, 39680, 40003, 45508, 46976, 54064, 56885, 58720, 67580, 69760, 80006, 91016, 93952, 108128, 113770, 117440, 135160, 139520, 160012, 182032, 200015, 216256, 227540, 234880, 270320, 320024, 364064, 400030, 432512, 455080, 469760, 540640, 640048, 728128, 800060, 865024, 910160, 1081280, 1240093, 1280096, 1456256, 1600120, 1820320, 2162560, 2480186, 2560192, 2912512, 3200240, 3640640, 4325120, 4960372, 5120384, 6200465, 6400480, 7281280, 9920744, 10240768, 12400930, 12800960, 14562560, 19841488, 24801860, 25601920, 39682976, 49603720, 51203840, 79365952, 99207440, 158731904, 198414880, 317463808, 396829760, 793659520, 1587319040]

約数ペア:

[(1, 1587319040), (2, 793659520), (4, 396829760), (5, 317463808), (8, 198414880), (10, 158731904), (16, 99207440), (20, 79365952), (31, 51203840), (32, 49603720), (40, 39682976), (62, 25601920), (64, 24801860), (80, 19841488), (109, 14562560), (124, 12800960), (128, 12400930), (155, 10240768), (160, 9920744), (218, 7281280), (248, 6400480), (256, 6200465), (310, 5120384), (320, 4960372), (367, 4325120), (436, 3640640), (496, 3200240), (545, 2912512), (620, 2560192), (640, 2480186), (734, 2162560), (872, 1820320), (992, 1600120), (1090, 1456256), (1240, 1280096), (1280, 1240093), (1468, 1081280), (1744, 910160), (1835, 865024), (1984, 800060), (2180, 728128), (2480, 640048), (2936, 540640), (3379, 469760), (3488, 455080), (3670, 432512), (3968, 400030), (4360, 364064), (4960, 320024), (5872, 270320), (6758, 234880), (6976, 227540), (7340, 216256), (7936, 200015), (8720, 182032), (9920, 160012), (11377, 139520), (11744, 135160), (13516, 117440), (13952, 113770), (14680, 108128), (16895, 93952), (17440, 91016), (19840, 80006), (22754, 69760), (23488, 67580), (27032, 58720), (27904, 56885), (29360, 54064), (33790, 46976), (34880, 45508), (39680, 40003)]