87178640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:804

約数の個数: 80

約数和(自身を含む): 213937200

約数和(自身を除く): 126758560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 53, 58, 80, 106, 116, 145, 212, 232, 265, 290, 424, 464, 530, 580, 709, 848, 1060, 1160, 1418, 1537, 2120, 2320, 2836, 3074, 3545, 4240, 5672, 6148, 7090, 7685, 11344, 12296, 14180, 15370, 20561, 24592, 28360, 30740, 37577, 41122, 56720, 61480, 75154, 82244, 102805, 122960, 150308, 164488, 187885, 205610, 300616, 328976, 375770, 411220, 601232, 751540, 822440, 1089733, 1503080, 1644880, 2179466, 3006160, 4358932, 5448665, 8717864, 10897330, 17435728, 21794660, 43589320, 87178640]

約数ペア:

[(1, 87178640), (2, 43589320), (4, 21794660), (5, 17435728), (8, 10897330), (10, 8717864), (16, 5448665), (20, 4358932), (29, 3006160), (40, 2179466), (53, 1644880), (58, 1503080), (80, 1089733), (106, 822440), (116, 751540), (145, 601232), (212, 411220), (232, 375770), (265, 328976), (290, 300616), (424, 205610), (464, 187885), (530, 164488), (580, 150308), (709, 122960), (848, 102805), (1060, 82244), (1160, 75154), (1418, 61480), (1537, 56720), (2120, 41122), (2320, 37577), (2836, 30740), (3074, 28360), (3545, 24592), (4240, 20561), (5672, 15370), (6148, 14180), (7090, 12296), (7685, 11344)]