28277910

素因数分解:

$2^1\times 3^8\times 5^1\times {\mathrm{431}}^1$

素因数の和:462

約数の個数: 72

約数和(自身を含む): 76523616

約数和(自身を除く): 48245706

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 431, 486, 729, 810, 862, 1215, 1293, 1458, 2155, 2187, 2430, 2586, 3645, 3879, 4310, 4374, 6465, 6561, 7290, 7758, 10935, 11637, 12930, 13122, 19395, 21870, 23274, 32805, 34911, 38790, 58185, 65610, 69822, 104733, 116370, 174555, 209466, 314199, 349110, 523665, 628398, 942597, 1047330, 1570995, 1885194, 2827791, 3141990, 4712985, 5655582, 9425970, 14138955, 28277910]

約数ペア:

[(1, 28277910), (2, 14138955), (3, 9425970), (5, 5655582), (6, 4712985), (9, 3141990), (10, 2827791), (15, 1885194), (18, 1570995), (27, 1047330), (30, 942597), (45, 628398), (54, 523665), (81, 349110), (90, 314199), (135, 209466), (162, 174555), (243, 116370), (270, 104733), (405, 69822), (431, 65610), (486, 58185), (729, 38790), (810, 34911), (862, 32805), (1215, 23274), (1293, 21870), (1458, 19395), (2155, 13122), (2187, 12930), (2430, 11637), (2586, 10935), (3645, 7758), (3879, 7290), (4310, 6561), (4374, 6465)]