15987540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 47021184

約数和(自身を除く): 31033644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 67, 82, 97, 123, 134, 164, 194, 201, 205, 246, 268, 291, 335, 388, 402, 410, 485, 492, 582, 615, 670, 804, 820, 970, 1005, 1164, 1230, 1340, 1455, 1940, 2010, 2460, 2747, 2910, 3977, 4020, 5494, 5820, 6499, 7954, 8241, 10988, 11931, 12998, 13735, 15908, 16482, 19497, 19885, 23862, 25996, 27470, 32495, 32964, 38994, 39770, 41205, 47724, 54940, 59655, 64990, 77988, 79540, 82410, 97485, 119310, 129980, 164820, 194970, 238620, 266459, 389940, 532918, 799377, 1065836, 1332295, 1598754, 2664590, 3197508, 3996885, 5329180, 7993770, 15987540]

約数ペア:

[(1, 15987540), (2, 7993770), (3, 5329180), (4, 3996885), (5, 3197508), (6, 2664590), (10, 1598754), (12, 1332295), (15, 1065836), (20, 799377), (30, 532918), (41, 389940), (60, 266459), (67, 238620), (82, 194970), (97, 164820), (123, 129980), (134, 119310), (164, 97485), (194, 82410), (201, 79540), (205, 77988), (246, 64990), (268, 59655), (291, 54940), (335, 47724), (388, 41205), (402, 39770), (410, 38994), (485, 32964), (492, 32495), (582, 27470), (615, 25996), (670, 23862), (804, 19885), (820, 19497), (970, 16482), (1005, 15908), (1164, 13735), (1230, 12998), (1340, 11931), (1455, 10988), (1940, 8241), (2010, 7954), (2460, 6499), (2747, 5820), (2910, 5494), (3977, 4020)]