1299520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 56

約数和(自身を含む): 3218688

約数和(自身を除く): 1919168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 131, 155, 160, 248, 262, 310, 320, 496, 524, 620, 655, 992, 1048, 1240, 1310, 1984, 2096, 2480, 2620, 4061, 4192, 4960, 5240, 8122, 8384, 9920, 10480, 16244, 20305, 20960, 32488, 40610, 41920, 64976, 81220, 129952, 162440, 259904, 324880, 649760, 1299520]

約数ペア:

[(1, 1299520), (2, 649760), (4, 324880), (5, 259904), (8, 162440), (10, 129952), (16, 81220), (20, 64976), (31, 41920), (32, 40610), (40, 32488), (62, 20960), (64, 20305), (80, 16244), (124, 10480), (131, 9920), (155, 8384), (160, 8122), (248, 5240), (262, 4960), (310, 4192), (320, 4061), (496, 2620), (524, 2480), (620, 2096), (655, 1984), (992, 1310), (1048, 1240)]