16170980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 40937400

約数和(自身を除く): 24766420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 569, 580, 812, 980, 1015, 1138, 1421, 2030, 2276, 2842, 2845, 3983, 4060, 5684, 5690, 7105, 7966, 11380, 14210, 15932, 16501, 19915, 27881, 28420, 33002, 39830, 55762, 66004, 79660, 82505, 111524, 115507, 139405, 165010, 231014, 278810, 330020, 462028, 557620, 577535, 808549, 1155070, 1617098, 2310140, 3234196, 4042745, 8085490, 16170980]

約数ペア:

[(1, 16170980), (2, 8085490), (4, 4042745), (5, 3234196), (7, 2310140), (10, 1617098), (14, 1155070), (20, 808549), (28, 577535), (29, 557620), (35, 462028), (49, 330020), (58, 278810), (70, 231014), (98, 165010), (116, 139405), (140, 115507), (145, 111524), (196, 82505), (203, 79660), (245, 66004), (290, 55762), (406, 39830), (490, 33002), (569, 28420), (580, 27881), (812, 19915), (980, 16501), (1015, 15932), (1138, 14210), (1421, 11380), (2030, 7966), (2276, 7105), (2842, 5690), (2845, 5684), (3983, 4060)]