1621400520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{15233}}^1$

素因数の和:16134

約数の個数: 64

約数和(自身を含む): 4870005120

約数和(自身を除く): 3248604600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 887, 1774, 2661, 3548, 4435, 5322, 7096, 8870, 10644, 13305, 15233, 17740, 21288, 26610, 30466, 35480, 45699, 53220, 60932, 76165, 91398, 106440, 121864, 152330, 182796, 228495, 304660, 365592, 456990, 609320, 913980, 1827960, 13511671, 27023342, 40535013, 54046684, 67558355, 81070026, 108093368, 135116710, 162140052, 202675065, 270233420, 324280104, 405350130, 540466840, 810700260, 1621400520]

約数ペア:

[(1, 1621400520), (2, 810700260), (3, 540466840), (4, 405350130), (5, 324280104), (6, 270233420), (8, 202675065), (10, 162140052), (12, 135116710), (15, 108093368), (20, 81070026), (24, 67558355), (30, 54046684), (40, 40535013), (60, 27023342), (120, 13511671), (887, 1827960), (1774, 913980), (2661, 609320), (3548, 456990), (4435, 365592), (5322, 304660), (7096, 228495), (8870, 182796), (10644, 152330), (13305, 121864), (15233, 106440), (17740, 91398), (21288, 76165), (26610, 60932), (30466, 53220), (35480, 45699)]