28455540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 85008000

約数和(自身を除く): 56552460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 109, 114, 190, 218, 228, 229, 285, 327, 380, 436, 458, 545, 570, 654, 687, 916, 1090, 1140, 1145, 1308, 1374, 1635, 2071, 2180, 2290, 2748, 3270, 3435, 4142, 4351, 4580, 6213, 6540, 6870, 8284, 8702, 10355, 12426, 13053, 13740, 17404, 20710, 21755, 24852, 24961, 26106, 31065, 41420, 43510, 49922, 52212, 62130, 65265, 74883, 87020, 99844, 124260, 124805, 130530, 149766, 249610, 261060, 299532, 374415, 474259, 499220, 748830, 948518, 1422777, 1497660, 1897036, 2371295, 2845554, 4742590, 5691108, 7113885, 9485180, 14227770, 28455540]

約数ペア:

[(1, 28455540), (2, 14227770), (3, 9485180), (4, 7113885), (5, 5691108), (6, 4742590), (10, 2845554), (12, 2371295), (15, 1897036), (19, 1497660), (20, 1422777), (30, 948518), (38, 748830), (57, 499220), (60, 474259), (76, 374415), (95, 299532), (109, 261060), (114, 249610), (190, 149766), (218, 130530), (228, 124805), (229, 124260), (285, 99844), (327, 87020), (380, 74883), (436, 65265), (458, 62130), (545, 52212), (570, 49922), (654, 43510), (687, 41420), (916, 31065), (1090, 26106), (1140, 24961), (1145, 24852), (1308, 21755), (1374, 20710), (1635, 17404), (2071, 13740), (2180, 13053), (2290, 12426), (2748, 10355), (3270, 8702), (3435, 8284), (4142, 6870), (4351, 6540), (4580, 6213)]