28621890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:469

約数の個数: 128

約数和(自身を含む): 87091200

約数和(自身を除く): 58469310

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 27, 30, 33, 45, 46, 54, 55, 66, 69, 90, 99, 110, 115, 135, 138, 165, 198, 207, 230, 253, 270, 297, 330, 345, 414, 419, 495, 506, 594, 621, 690, 759, 838, 990, 1035, 1242, 1257, 1265, 1485, 1518, 2070, 2095, 2277, 2514, 2530, 2970, 3105, 3771, 3795, 4190, 4554, 4609, 6210, 6285, 6831, 7542, 7590, 9218, 9637, 11313, 11385, 12570, 13662, 13827, 18855, 19274, 22626, 22770, 23045, 27654, 28911, 34155, 37710, 41481, 46090, 48185, 56565, 57822, 68310, 69135, 82962, 86733, 96370, 106007, 113130, 124443, 138270, 144555, 173466, 207405, 212014, 248886, 260199, 289110, 318021, 414810, 433665, 520398, 530035, 622215, 636042, 867330, 954063, 1060070, 1244430, 1300995, 1590105, 1908126, 2601990, 2862189, 3180210, 4770315, 5724378, 9540630, 14310945, 28621890]

約数ペア:

[(1, 28621890), (2, 14310945), (3, 9540630), (5, 5724378), (6, 4770315), (9, 3180210), (10, 2862189), (11, 2601990), (15, 1908126), (18, 1590105), (22, 1300995), (23, 1244430), (27, 1060070), (30, 954063), (33, 867330), (45, 636042), (46, 622215), (54, 530035), (55, 520398), (66, 433665), (69, 414810), (90, 318021), (99, 289110), (110, 260199), (115, 248886), (135, 212014), (138, 207405), (165, 173466), (198, 144555), (207, 138270), (230, 124443), (253, 113130), (270, 106007), (297, 96370), (330, 86733), (345, 82962), (414, 69135), (419, 68310), (495, 57822), (506, 56565), (594, 48185), (621, 46090), (690, 41481), (759, 37710), (838, 34155), (990, 28911), (1035, 27654), (1242, 23045), (1257, 22770), (1265, 22626), (1485, 19274), (1518, 18855), (2070, 13827), (2095, 13662), (2277, 12570), (2514, 11385), (2530, 11313), (2970, 9637), (3105, 9218), (3771, 7590), (3795, 7542), (4190, 6831), (4554, 6285), (4609, 6210)]