289075440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2861}}^1$

素因数の和:3298

約数の個数: 80

約数和(自身を含む): 898576416

約数和(自身を除く): 609500976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 421, 842, 1263, 1684, 2105, 2526, 2861, 3368, 4210, 5052, 5722, 6315, 6736, 8420, 8583, 10104, 11444, 12630, 14305, 16840, 17166, 20208, 22888, 25260, 28610, 33680, 34332, 42915, 45776, 50520, 57220, 68664, 85830, 101040, 114440, 137328, 171660, 228880, 343320, 686640, 1204481, 2408962, 3613443, 4817924, 6022405, 7226886, 9635848, 12044810, 14453772, 18067215, 19271696, 24089620, 28907544, 36134430, 48179240, 57815088, 72268860, 96358480, 144537720, 289075440]

約数ペア:

[(1, 289075440), (2, 144537720), (3, 96358480), (4, 72268860), (5, 57815088), (6, 48179240), (8, 36134430), (10, 28907544), (12, 24089620), (15, 19271696), (16, 18067215), (20, 14453772), (24, 12044810), (30, 9635848), (40, 7226886), (48, 6022405), (60, 4817924), (80, 3613443), (120, 2408962), (240, 1204481), (421, 686640), (842, 343320), (1263, 228880), (1684, 171660), (2105, 137328), (2526, 114440), (2861, 101040), (3368, 85830), (4210, 68664), (5052, 57220), (5722, 50520), (6315, 45776), (6736, 42915), (8420, 34332), (8583, 33680), (10104, 28610), (11444, 25260), (12630, 22888), (14305, 20208), (16840, 17166)]