28416720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{709}}^1$

素因数の和:892

約数の個数: 80

約数和(自身を含む): 88744320

約数和(自身を除く): 60327600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 167, 240, 334, 501, 668, 709, 835, 1002, 1336, 1418, 1670, 2004, 2127, 2505, 2672, 2836, 3340, 3545, 4008, 4254, 5010, 5672, 6680, 7090, 8016, 8508, 10020, 10635, 11344, 13360, 14180, 17016, 20040, 21270, 28360, 34032, 40080, 42540, 56720, 85080, 118403, 170160, 236806, 355209, 473612, 592015, 710418, 947224, 1184030, 1420836, 1776045, 1894448, 2368060, 2841672, 3552090, 4736120, 5683344, 7104180, 9472240, 14208360, 28416720]

約数ペア:

[(1, 28416720), (2, 14208360), (3, 9472240), (4, 7104180), (5, 5683344), (6, 4736120), (8, 3552090), (10, 2841672), (12, 2368060), (15, 1894448), (16, 1776045), (20, 1420836), (24, 1184030), (30, 947224), (40, 710418), (48, 592015), (60, 473612), (80, 355209), (120, 236806), (167, 170160), (240, 118403), (334, 85080), (501, 56720), (668, 42540), (709, 40080), (835, 34032), (1002, 28360), (1336, 21270), (1418, 20040), (1670, 17016), (2004, 14180), (2127, 13360), (2505, 11344), (2672, 10635), (2836, 10020), (3340, 8508), (3545, 8016), (4008, 7090), (4254, 6680), (5010, 5672)]