1281720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{971}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 4199040

約数和(自身を除く): 2917320

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, 971, 1320, 1942, 2913, 3884, 4855, 5826, 7768, 9710, 10681, 11652, 14565, 19420, 21362, 23304, 29130, 32043, 38840, 42724, 53405, 58260, 64086, 85448, 106810, 116520, 128172, 160215, 213620, 256344, 320430, 427240, 640860, 1281720]

約数ペア:

[(1, 1281720), (2, 640860), (3, 427240), (4, 320430), (5, 256344), (6, 213620), (8, 160215), (10, 128172), (11, 116520), (12, 106810), (15, 85448), (20, 64086), (22, 58260), (24, 53405), (30, 42724), (33, 38840), (40, 32043), (44, 29130), (55, 23304), (60, 21362), (66, 19420), (88, 14565), (110, 11652), (120, 10681), (132, 9710), (165, 7768), (220, 5826), (264, 4855), (330, 3884), (440, 2913), (660, 1942), (971, 1320)]