140606640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{487}}^1$

素因数の和:907

約数の個数: 120

約数和(自身を含む): 474353568

約数和(自身を除く): 333746928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 401, 487, 720, 802, 974, 1203, 1461, 1604, 1948, 2005, 2406, 2435, 2922, 3208, 3609, 3896, 4010, 4383, 4812, 4870, 5844, 6015, 6416, 7218, 7305, 7792, 8020, 8766, 9624, 9740, 11688, 12030, 14436, 14610, 16040, 17532, 18045, 19248, 19480, 21915, 23376, 24060, 28872, 29220, 32080, 35064, 36090, 38960, 43830, 48120, 57744, 58440, 70128, 72180, 87660, 96240, 116880, 144360, 175320, 195287, 288720, 350640, 390574, 585861, 781148, 976435, 1171722, 1562296, 1757583, 1952870, 2343444, 2929305, 3124592, 3515166, 3905740, 4686888, 5858610, 7030332, 7811480, 8787915, 9373776, 11717220, 14060664, 15622960, 17575830, 23434440, 28121328, 35151660, 46868880, 70303320, 140606640]

約数ペア:

[(1, 140606640), (2, 70303320), (3, 46868880), (4, 35151660), (5, 28121328), (6, 23434440), (8, 17575830), (9, 15622960), (10, 14060664), (12, 11717220), (15, 9373776), (16, 8787915), (18, 7811480), (20, 7030332), (24, 5858610), (30, 4686888), (36, 3905740), (40, 3515166), (45, 3124592), (48, 2929305), (60, 2343444), (72, 1952870), (80, 1757583), (90, 1562296), (120, 1171722), (144, 976435), (180, 781148), (240, 585861), (360, 390574), (401, 350640), (487, 288720), (720, 195287), (802, 175320), (974, 144360), (1203, 116880), (1461, 96240), (1604, 87660), (1948, 72180), (2005, 70128), (2406, 58440), (2435, 57744), (2922, 48120), (3208, 43830), (3609, 38960), (3896, 36090), (4010, 35064), (4383, 32080), (4812, 29220), (4870, 28872), (5844, 24060), (6015, 23376), (6416, 21915), (7218, 19480), (7305, 19248), (7792, 18045), (8020, 17532), (8766, 16040), (9624, 14610), (9740, 14436), (11688, 12030)]