1806990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 64

約数和(自身を含む): 4700160

約数和(自身を除く): 2893170

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 31, 58, 62, 67, 87, 93, 134, 145, 155, 174, 186, 201, 290, 310, 335, 402, 435, 465, 670, 870, 899, 930, 1005, 1798, 1943, 2010, 2077, 2697, 3886, 4154, 4495, 5394, 5829, 6231, 8990, 9715, 10385, 11658, 12462, 13485, 19430, 20770, 26970, 29145, 31155, 58290, 60233, 62310, 120466, 180699, 301165, 361398, 602330, 903495, 1806990]

約数ペア:

[(1, 1806990), (2, 903495), (3, 602330), (5, 361398), (6, 301165), (10, 180699), (15, 120466), (29, 62310), (30, 60233), (31, 58290), (58, 31155), (62, 29145), (67, 26970), (87, 20770), (93, 19430), (134, 13485), (145, 12462), (155, 11658), (174, 10385), (186, 9715), (201, 8990), (290, 6231), (310, 5829), (335, 5394), (402, 4495), (435, 4154), (465, 3886), (670, 2697), (870, 2077), (899, 2010), (930, 1943), (1005, 1798)]