16807980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{5717}}^1$

素因数の和:5743

約数の個数: 72

約数和(自身を含む): 54755568

約数和(自身を除く): 37947588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 5717, 11434, 17151, 22868, 28585, 34302, 40019, 57170, 68604, 80038, 85755, 114340, 120057, 160076, 171510, 200095, 240114, 280133, 343020, 400190, 480228, 560266, 600285, 800380, 840399, 1120532, 1200570, 1400665, 1680798, 2401140, 2801330, 3361596, 4201995, 5602660, 8403990, 16807980]

約数ペア:

[(1, 16807980), (2, 8403990), (3, 5602660), (4, 4201995), (5, 3361596), (6, 2801330), (7, 2401140), (10, 1680798), (12, 1400665), (14, 1200570), (15, 1120532), (20, 840399), (21, 800380), (28, 600285), (30, 560266), (35, 480228), (42, 400190), (49, 343020), (60, 280133), (70, 240114), (84, 200095), (98, 171510), (105, 160076), (140, 120057), (147, 114340), (196, 85755), (210, 80038), (245, 68604), (294, 57170), (420, 40019), (490, 34302), (588, 28585), (735, 22868), (980, 17151), (1470, 11434), (2940, 5717)]