21330720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14813}}^1$

素因数の和:14834

約数の個数: 72

約数和(自身を含む): 72795996

約数和(自身を除く): 51465276

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14813, 29626, 44439, 59252, 74065, 88878, 118504, 133317, 148130, 177756, 222195, 237008, 266634, 296260, 355512, 444390, 474016, 533268, 592520, 666585, 711024, 888780, 1066536, 1185040, 1333170, 1422048, 1777560, 2133072, 2370080, 2666340, 3555120, 4266144, 5332680, 7110240, 10665360, 21330720]

約数ペア:

[(1, 21330720), (2, 10665360), (3, 7110240), (4, 5332680), (5, 4266144), (6, 3555120), (8, 2666340), (9, 2370080), (10, 2133072), (12, 1777560), (15, 1422048), (16, 1333170), (18, 1185040), (20, 1066536), (24, 888780), (30, 711024), (32, 666585), (36, 592520), (40, 533268), (45, 474016), (48, 444390), (60, 355512), (72, 296260), (80, 266634), (90, 237008), (96, 222195), (120, 177756), (144, 148130), (160, 133317), (180, 118504), (240, 88878), (288, 74065), (360, 59252), (480, 44439), (720, 29626), (1440, 14813)]