81458970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{859}}^1$

素因数の和:1007

約数の個数: 64

約数和(自身を含む): 204336000

約数和(自身を除く): 122877030

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 109, 145, 174, 218, 290, 327, 435, 545, 654, 859, 870, 1090, 1635, 1718, 2577, 3161, 3270, 4295, 5154, 6322, 8590, 9483, 12885, 15805, 18966, 24911, 25770, 31610, 47415, 49822, 74733, 93631, 94830, 124555, 149466, 187262, 249110, 280893, 373665, 468155, 561786, 747330, 936310, 1404465, 2715299, 2808930, 5430598, 8145897, 13576495, 16291794, 27152990, 40729485, 81458970]

約数ペア:

[(1, 81458970), (2, 40729485), (3, 27152990), (5, 16291794), (6, 13576495), (10, 8145897), (15, 5430598), (29, 2808930), (30, 2715299), (58, 1404465), (87, 936310), (109, 747330), (145, 561786), (174, 468155), (218, 373665), (290, 280893), (327, 249110), (435, 187262), (545, 149466), (654, 124555), (859, 94830), (870, 93631), (1090, 74733), (1635, 49822), (1718, 47415), (2577, 31610), (3161, 25770), (3270, 24911), (4295, 18966), (5154, 15805), (6322, 12885), (8590, 9483)]