240642720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{167113}}^1$

素因数の和:167134

約数の個数: 72

約数和(自身を含む): 821198196

約数和(自身を除く): 580555476

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, 167113, 334226, 501339, 668452, 835565, 1002678, 1336904, 1504017, 1671130, 2005356, 2506695, 2673808, 3008034, 3342260, 4010712, 5013390, 5347616, 6016068, 6684520, 7520085, 8021424, 10026780, 12032136, 13369040, 15040170, 16042848, 20053560, 24064272, 26738080, 30080340, 40107120, 48128544, 60160680, 80214240, 120321360, 240642720]

約数ペア:

[(1, 240642720), (2, 120321360), (3, 80214240), (4, 60160680), (5, 48128544), (6, 40107120), (8, 30080340), (9, 26738080), (10, 24064272), (12, 20053560), (15, 16042848), (16, 15040170), (18, 13369040), (20, 12032136), (24, 10026780), (30, 8021424), (32, 7520085), (36, 6684520), (40, 6016068), (45, 5347616), (48, 5013390), (60, 4010712), (72, 3342260), (80, 3008034), (90, 2673808), (96, 2506695), (120, 2005356), (144, 1671130), (160, 1504017), (180, 1336904), (240, 1002678), (288, 835565), (360, 668452), (480, 501339), (720, 334226), (1440, 167113)]