28868940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:488

約数の個数: 96

約数和(自身を含む): 90605760

約数和(自身を除く): 61736820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 193, 270, 277, 386, 540, 554, 579, 772, 831, 965, 1108, 1158, 1385, 1662, 1737, 1930, 2316, 2493, 2770, 2895, 3324, 3474, 3860, 4155, 4986, 5211, 5540, 5790, 6948, 7479, 8310, 8685, 9972, 10422, 11580, 12465, 14958, 16620, 17370, 20844, 24930, 26055, 29916, 34740, 37395, 49860, 52110, 53461, 74790, 104220, 106922, 149580, 160383, 213844, 267305, 320766, 481149, 534610, 641532, 801915, 962298, 1069220, 1443447, 1603830, 1924596, 2405745, 2886894, 3207660, 4811490, 5773788, 7217235, 9622980, 14434470, 28868940]

約数ペア:

[(1, 28868940), (2, 14434470), (3, 9622980), (4, 7217235), (5, 5773788), (6, 4811490), (9, 3207660), (10, 2886894), (12, 2405745), (15, 1924596), (18, 1603830), (20, 1443447), (27, 1069220), (30, 962298), (36, 801915), (45, 641532), (54, 534610), (60, 481149), (90, 320766), (108, 267305), (135, 213844), (180, 160383), (193, 149580), (270, 106922), (277, 104220), (386, 74790), (540, 53461), (554, 52110), (579, 49860), (772, 37395), (831, 34740), (965, 29916), (1108, 26055), (1158, 24930), (1385, 20844), (1662, 17370), (1737, 16620), (1930, 14958), (2316, 12465), (2493, 11580), (2770, 10422), (2895, 9972), (3324, 8685), (3474, 8310), (3860, 7479), (4155, 6948), (4986, 5790), (5211, 5540)]