2009017980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2269}}^1\times {\mathrm{4919}}^1$

素因数の和:7203

約数の個数: 72

約数和(自身を含む): 6097946400

約数和(自身を除く): 4088928420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2269, 4538, 4919, 6807, 9076, 9838, 11345, 13614, 14757, 19676, 20421, 22690, 24595, 27228, 29514, 34035, 40842, 44271, 45380, 49190, 59028, 68070, 73785, 81684, 88542, 98380, 102105, 136140, 147570, 177084, 204210, 221355, 295140, 408420, 442710, 885420, 11161211, 22322422, 33483633, 44644844, 55806055, 66967266, 100450899, 111612110, 133934532, 167418165, 200901798, 223224220, 334836330, 401803596, 502254495, 669672660, 1004508990, 2009017980]

約数ペア:

[(1, 2009017980), (2, 1004508990), (3, 669672660), (4, 502254495), (5, 401803596), (6, 334836330), (9, 223224220), (10, 200901798), (12, 167418165), (15, 133934532), (18, 111612110), (20, 100450899), (30, 66967266), (36, 55806055), (45, 44644844), (60, 33483633), (90, 22322422), (180, 11161211), (2269, 885420), (4538, 442710), (4919, 408420), (6807, 295140), (9076, 221355), (9838, 204210), (11345, 177084), (13614, 147570), (14757, 136140), (19676, 102105), (20421, 98380), (22690, 88542), (24595, 81684), (27228, 73785), (29514, 68070), (34035, 59028), (40842, 49190), (44271, 45380)]