15801720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11971}}^1$

素因数の和:11996

約数の個数: 64

約数和(自身を含む): 51719040

約数和(自身を除く): 35917320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 11971, 23942, 35913, 47884, 59855, 71826, 95768, 119710, 131681, 143652, 179565, 239420, 263362, 287304, 359130, 395043, 478840, 526724, 658405, 718260, 790086, 1053448, 1316810, 1436520, 1580172, 1975215, 2633620, 3160344, 3950430, 5267240, 7900860, 15801720]

約数ペア:

[(1, 15801720), (2, 7900860), (3, 5267240), (4, 3950430), (5, 3160344), (6, 2633620), (8, 1975215), (10, 1580172), (11, 1436520), (12, 1316810), (15, 1053448), (20, 790086), (22, 718260), (24, 658405), (30, 526724), (33, 478840), (40, 395043), (44, 359130), (55, 287304), (60, 263362), (66, 239420), (88, 179565), (110, 143652), (120, 131681), (132, 119710), (165, 95768), (220, 71826), (264, 59855), (330, 47884), (440, 35913), (660, 23942), (1320, 11971)]