15652520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1026

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 23538520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 971, 1240, 1612, 1942, 2015, 3224, 3884, 4030, 4855, 7768, 8060, 9710, 12623, 16120, 19420, 25246, 30101, 38840, 50492, 60202, 63115, 100984, 120404, 126230, 150505, 240808, 252460, 301010, 391313, 504920, 602020, 782626, 1204040, 1565252, 1956565, 3130504, 3913130, 7826260, 15652520]

約数ペア:

[(1, 15652520), (2, 7826260), (4, 3913130), (5, 3130504), (8, 1956565), (10, 1565252), (13, 1204040), (20, 782626), (26, 602020), (31, 504920), (40, 391313), (52, 301010), (62, 252460), (65, 240808), (104, 150505), (124, 126230), (130, 120404), (155, 100984), (248, 63115), (260, 60202), (310, 50492), (403, 38840), (520, 30101), (620, 25246), (806, 19420), (971, 16120), (1240, 12623), (1612, 9710), (1942, 8060), (2015, 7768), (3224, 4855), (3884, 4030)]