508737280

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12821}}^1$

素因数の和:12873

約数の個数: 72

約数和(自身を含む): 1257992064

約数和(自身を除く): 749254784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 12821, 19840, 25642, 39680, 51284, 64105, 102568, 128210, 205136, 256420, 397451, 410272, 512840, 794902, 820544, 1025680, 1589804, 1641088, 1987255, 2051360, 3179608, 3282176, 3974510, 4102720, 6359216, 7949020, 8205440, 12718432, 15898040, 16410880, 25436864, 31796080, 50873728, 63592160, 101747456, 127184320, 254368640, 508737280]

約数ペア:

[(1, 508737280), (2, 254368640), (4, 127184320), (5, 101747456), (8, 63592160), (10, 50873728), (16, 31796080), (20, 25436864), (31, 16410880), (32, 15898040), (40, 12718432), (62, 8205440), (64, 7949020), (80, 6359216), (124, 4102720), (128, 3974510), (155, 3282176), (160, 3179608), (248, 2051360), (256, 1987255), (310, 1641088), (320, 1589804), (496, 1025680), (620, 820544), (640, 794902), (992, 512840), (1240, 410272), (1280, 397451), (1984, 256420), (2480, 205136), (3968, 128210), (4960, 102568), (7936, 64105), (9920, 51284), (12821, 39680), (19840, 25642)]