28728270

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1223}}^1$

素因数の和:1271

約数の個数: 80

約数和(自身を含む): 79976160

約数和(自身を除く): 51247890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 81, 87, 90, 135, 145, 162, 174, 261, 270, 290, 405, 435, 522, 783, 810, 870, 1223, 1305, 1566, 2349, 2446, 2610, 3669, 3915, 4698, 6115, 7338, 7830, 11007, 11745, 12230, 18345, 22014, 23490, 33021, 35467, 36690, 55035, 66042, 70934, 99063, 106401, 110070, 165105, 177335, 198126, 212802, 319203, 330210, 354670, 495315, 532005, 638406, 957609, 990630, 1064010, 1596015, 1915218, 2872827, 3192030, 4788045, 5745654, 9576090, 14364135, 28728270]

約数ペア:

[(1, 28728270), (2, 14364135), (3, 9576090), (5, 5745654), (6, 4788045), (9, 3192030), (10, 2872827), (15, 1915218), (18, 1596015), (27, 1064010), (29, 990630), (30, 957609), (45, 638406), (54, 532005), (58, 495315), (81, 354670), (87, 330210), (90, 319203), (135, 212802), (145, 198126), (162, 177335), (174, 165105), (261, 110070), (270, 106401), (290, 99063), (405, 70934), (435, 66042), (522, 55035), (783, 36690), (810, 35467), (870, 33021), (1223, 23490), (1305, 22014), (1566, 18345), (2349, 12230), (2446, 11745), (2610, 11007), (3669, 7830), (3915, 7338), (4698, 6115)]