81509100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{2801}}^1$

素因数の和:2915

約数の個数: 72

約数和(自身を含む): 238349328

約数和(自身を除く): 156840228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 97, 100, 150, 194, 291, 300, 388, 485, 582, 970, 1164, 1455, 1940, 2425, 2801, 2910, 4850, 5602, 5820, 7275, 8403, 9700, 11204, 14005, 14550, 16806, 28010, 29100, 33612, 42015, 56020, 70025, 84030, 140050, 168060, 210075, 271697, 280100, 420150, 543394, 815091, 840300, 1086788, 1358485, 1630182, 2716970, 3260364, 4075455, 5433940, 6792425, 8150910, 13584850, 16301820, 20377275, 27169700, 40754550, 81509100]

約数ペア:

[(1, 81509100), (2, 40754550), (3, 27169700), (4, 20377275), (5, 16301820), (6, 13584850), (10, 8150910), (12, 6792425), (15, 5433940), (20, 4075455), (25, 3260364), (30, 2716970), (50, 1630182), (60, 1358485), (75, 1086788), (97, 840300), (100, 815091), (150, 543394), (194, 420150), (291, 280100), (300, 271697), (388, 210075), (485, 168060), (582, 140050), (970, 84030), (1164, 70025), (1455, 56020), (1940, 42015), (2425, 33612), (2801, 29100), (2910, 28010), (4850, 16806), (5602, 14550), (5820, 14005), (7275, 11204), (8403, 9700)]