2601990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 7257600

約数和(自身を除く): 4655610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 419, 621, 690, 838, 1035, 1242, 1257, 2070, 2095, 2514, 3105, 3771, 4190, 6210, 6285, 7542, 9637, 11313, 12570, 18855, 19274, 22626, 28911, 37710, 48185, 56565, 57822, 86733, 96370, 113130, 144555, 173466, 260199, 289110, 433665, 520398, 867330, 1300995, 2601990]

約数ペア:

[(1, 2601990), (2, 1300995), (3, 867330), (5, 520398), (6, 433665), (9, 289110), (10, 260199), (15, 173466), (18, 144555), (23, 113130), (27, 96370), (30, 86733), (45, 57822), (46, 56565), (54, 48185), (69, 37710), (90, 28911), (115, 22626), (135, 19274), (138, 18855), (207, 12570), (230, 11313), (270, 9637), (345, 7542), (414, 6285), (419, 6210), (621, 4190), (690, 3771), (838, 3105), (1035, 2514), (1242, 2095), (1257, 2070)]