29138940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17987}}^1$

素因数の和:18008

約数の個数: 60

約数和(自身を含む): 91415016

約数和(自身を除く): 62276076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 17987, 35974, 53961, 71948, 89935, 107922, 161883, 179870, 215844, 269805, 323766, 359740, 485649, 539610, 647532, 809415, 971298, 1079220, 1456947, 1618830, 1942596, 2428245, 2913894, 3237660, 4856490, 5827788, 7284735, 9712980, 14569470, 29138940]

約数ペア:

[(1, 29138940), (2, 14569470), (3, 9712980), (4, 7284735), (5, 5827788), (6, 4856490), (9, 3237660), (10, 2913894), (12, 2428245), (15, 1942596), (18, 1618830), (20, 1456947), (27, 1079220), (30, 971298), (36, 809415), (45, 647532), (54, 539610), (60, 485649), (81, 359740), (90, 323766), (108, 269805), (135, 215844), (162, 179870), (180, 161883), (270, 107922), (324, 89935), (405, 71948), (540, 53961), (810, 35974), (1620, 17987)]