81670890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{22877}}^1$

素因数の和:22911

約数の個数: 64

約数和(自身を含む): 237199104

約数和(自身を除く): 155528214

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 22877, 45754, 68631, 114385, 137262, 160139, 228770, 320278, 343155, 388909, 480417, 686310, 777818, 800695, 960834, 1166727, 1601390, 1944545, 2333454, 2402085, 2722363, 3889090, 4804170, 5444726, 5833635, 8167089, 11667270, 13611815, 16334178, 27223630, 40835445, 81670890]

約数ペア:

[(1, 81670890), (2, 40835445), (3, 27223630), (5, 16334178), (6, 13611815), (7, 11667270), (10, 8167089), (14, 5833635), (15, 5444726), (17, 4804170), (21, 3889090), (30, 2722363), (34, 2402085), (35, 2333454), (42, 1944545), (51, 1601390), (70, 1166727), (85, 960834), (102, 800695), (105, 777818), (119, 686310), (170, 480417), (210, 388909), (238, 343155), (255, 320278), (357, 228770), (510, 160139), (595, 137262), (714, 114385), (1190, 68631), (1785, 45754), (3570, 22877)]