154291440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{642881}}^1$

素因数の和:642897

約数の個数: 40

約数和(自身を含む): 478304208

約数和(自身を除く): 324012768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 642881, 1285762, 1928643, 2571524, 3214405, 3857286, 5143048, 6428810, 7714572, 9643215, 10286096, 12857620, 15429144, 19286430, 25715240, 30858288, 38572860, 51430480, 77145720, 154291440]

約数ペア:

[(1, 154291440), (2, 77145720), (3, 51430480), (4, 38572860), (5, 30858288), (6, 25715240), (8, 19286430), (10, 15429144), (12, 12857620), (15, 10286096), (16, 9643215), (20, 7714572), (24, 6428810), (30, 5143048), (40, 3857286), (48, 3214405), (60, 2571524), (80, 1928643), (120, 1285762), (240, 642881)]