28107240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33461}}^1$

素因数の和:33482

約数の個数: 64

約数和(自身を含む): 96370560

約数和(自身を除く): 68263320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 33461, 66922, 100383, 133844, 167305, 200766, 234227, 267688, 334610, 401532, 468454, 501915, 669220, 702681, 803064, 936908, 1003830, 1171135, 1338440, 1405362, 1873816, 2007660, 2342270, 2810724, 3513405, 4015320, 4684540, 5621448, 7026810, 9369080, 14053620, 28107240]

約数ペア:

[(1, 28107240), (2, 14053620), (3, 9369080), (4, 7026810), (5, 5621448), (6, 4684540), (7, 4015320), (8, 3513405), (10, 2810724), (12, 2342270), (14, 2007660), (15, 1873816), (20, 1405362), (21, 1338440), (24, 1171135), (28, 1003830), (30, 936908), (35, 803064), (40, 702681), (42, 669220), (56, 501915), (60, 468454), (70, 401532), (84, 334610), (105, 267688), (120, 234227), (140, 200766), (168, 167305), (210, 133844), (280, 100383), (420, 66922), (840, 33461)]