15682480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:346

約数の個数: 80

約数和(自身を含む): 40497408

約数和(自身を除く): 24814928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 251, 284, 355, 440, 502, 568, 710, 781, 880, 1004, 1136, 1255, 1420, 1562, 2008, 2510, 2761, 2840, 3124, 3905, 4016, 5020, 5522, 5680, 6248, 7810, 10040, 11044, 12496, 13805, 15620, 17821, 20080, 22088, 27610, 31240, 35642, 44176, 55220, 62480, 71284, 89105, 110440, 142568, 178210, 196031, 220880, 285136, 356420, 392062, 712840, 784124, 980155, 1425680, 1568248, 1960310, 3136496, 3920620, 7841240, 15682480]

約数ペア:

[(1, 15682480), (2, 7841240), (4, 3920620), (5, 3136496), (8, 1960310), (10, 1568248), (11, 1425680), (16, 980155), (20, 784124), (22, 712840), (40, 392062), (44, 356420), (55, 285136), (71, 220880), (80, 196031), (88, 178210), (110, 142568), (142, 110440), (176, 89105), (220, 71284), (251, 62480), (284, 55220), (355, 44176), (440, 35642), (502, 31240), (568, 27610), (710, 22088), (781, 20080), (880, 17821), (1004, 15620), (1136, 13805), (1255, 12496), (1420, 11044), (1562, 10040), (2008, 7810), (2510, 6248), (2761, 5680), (2840, 5522), (3124, 5020), (3905, 4016)]