64660420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:569

約数の個数: 96

約数和(自身を含む): 161280000

約数和(自身を除く): 96619580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 124, 155, 190, 209, 220, 310, 341, 380, 418, 499, 589, 620, 682, 836, 998, 1045, 1178, 1364, 1705, 1996, 2090, 2356, 2495, 2945, 3410, 4180, 4990, 5489, 5890, 6479, 6820, 9481, 9980, 10978, 11780, 12958, 15469, 18962, 21956, 25916, 27445, 30938, 32395, 37924, 47405, 54890, 61876, 64790, 77345, 94810, 104291, 109780, 129580, 154690, 170159, 189620, 208582, 293911, 309380, 340318, 417164, 521455, 587822, 680636, 850795, 1042910, 1175644, 1469555, 1701590, 2085820, 2939110, 3233021, 3403180, 5878220, 6466042, 12932084, 16165105, 32330210, 64660420]

約数ペア:

[(1, 64660420), (2, 32330210), (4, 16165105), (5, 12932084), (10, 6466042), (11, 5878220), (19, 3403180), (20, 3233021), (22, 2939110), (31, 2085820), (38, 1701590), (44, 1469555), (55, 1175644), (62, 1042910), (76, 850795), (95, 680636), (110, 587822), (124, 521455), (155, 417164), (190, 340318), (209, 309380), (220, 293911), (310, 208582), (341, 189620), (380, 170159), (418, 154690), (499, 129580), (589, 109780), (620, 104291), (682, 94810), (836, 77345), (998, 64790), (1045, 61876), (1178, 54890), (1364, 47405), (1705, 37924), (1996, 32395), (2090, 30938), (2356, 27445), (2495, 25916), (2945, 21956), (3410, 18962), (4180, 15469), (4990, 12958), (5489, 11780), (5890, 10978), (6479, 9980), (6820, 9481)]