73325320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 171072000

約数和(自身を除く): 97746680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 89, 172, 178, 215, 344, 356, 430, 445, 479, 712, 860, 890, 958, 1720, 1780, 1916, 2395, 3560, 3827, 3832, 4790, 7654, 9580, 15308, 19135, 19160, 20597, 30616, 38270, 41194, 42631, 76540, 82388, 85262, 102985, 153080, 164776, 170524, 205970, 213155, 341048, 411940, 426310, 823880, 852620, 1705240, 1833133, 3666266, 7332532, 9165665, 14665064, 18331330, 36662660, 73325320]

約数ペア:

[(1, 73325320), (2, 36662660), (4, 18331330), (5, 14665064), (8, 9165665), (10, 7332532), (20, 3666266), (40, 1833133), (43, 1705240), (86, 852620), (89, 823880), (172, 426310), (178, 411940), (215, 341048), (344, 213155), (356, 205970), (430, 170524), (445, 164776), (479, 153080), (712, 102985), (860, 85262), (890, 82388), (958, 76540), (1720, 42631), (1780, 41194), (1916, 38270), (2395, 30616), (3560, 20597), (3827, 19160), (3832, 19135), (4790, 15308), (7654, 9580)]