87431940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{161911}}^1$

素因数の和:161929

約数の個数: 48

約数和(自身を含む): 272012160

約数和(自身を除く): 184580220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 161911, 323822, 485733, 647644, 809555, 971466, 1457199, 1619110, 1942932, 2428665, 2914398, 3238220, 4371597, 4857330, 5828796, 7285995, 8743194, 9714660, 14571990, 17486388, 21857985, 29143980, 43715970, 87431940]

約数ペア:

[(1, 87431940), (2, 43715970), (3, 29143980), (4, 21857985), (5, 17486388), (6, 14571990), (9, 9714660), (10, 8743194), (12, 7285995), (15, 5828796), (18, 4857330), (20, 4371597), (27, 3238220), (30, 2914398), (36, 2428665), (45, 1942932), (54, 1619110), (60, 1457199), (90, 971466), (108, 809555), (135, 647644), (180, 485733), (270, 323822), (540, 161911)]