81788640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{170393}}^1$

素因数の和:170411

約数の個数: 48

約数和(自身を含む): 257635728

約数和(自身を除く): 175847088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 170393, 340786, 511179, 681572, 851965, 1022358, 1363144, 1703930, 2044716, 2555895, 2726288, 3407860, 4089432, 5111790, 5452576, 6815720, 8178864, 10223580, 13631440, 16357728, 20447160, 27262880, 40894320, 81788640]

約数ペア:

[(1, 81788640), (2, 40894320), (3, 27262880), (4, 20447160), (5, 16357728), (6, 13631440), (8, 10223580), (10, 8178864), (12, 6815720), (15, 5452576), (16, 5111790), (20, 4089432), (24, 3407860), (30, 2726288), (32, 2555895), (40, 2044716), (48, 1703930), (60, 1363144), (80, 1022358), (96, 851965), (120, 681572), (160, 511179), (240, 340786), (480, 170393)]