315079040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15881}}^1$

素因数の和:15931

約数の個数: 64

約数和(自身を含む): 777582720

約数和(自身を除く): 462503680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 15881, 19840, 31762, 63524, 79405, 127048, 158810, 254096, 317620, 492311, 508192, 635240, 984622, 1016384, 1270480, 1969244, 2032768, 2461555, 2540960, 3938488, 4923110, 5081920, 7876976, 9846220, 10163840, 15753952, 19692440, 31507904, 39384880, 63015808, 78769760, 157539520, 315079040]

約数ペア:

[(1, 315079040), (2, 157539520), (4, 78769760), (5, 63015808), (8, 39384880), (10, 31507904), (16, 19692440), (20, 15753952), (31, 10163840), (32, 9846220), (40, 7876976), (62, 5081920), (64, 4923110), (80, 3938488), (124, 2540960), (128, 2461555), (155, 2032768), (160, 1969244), (248, 1270480), (310, 1016384), (320, 984622), (496, 635240), (620, 508192), (640, 492311), (992, 317620), (1240, 254096), (1984, 158810), (2480, 127048), (3968, 79405), (4960, 63524), (9920, 31762), (15881, 19840)]