15941731480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1\times {\mathrm{8677}}^1$

素因数の和:10708

約数の個数: 64

約数和(自身を含む): 37451471040

約数和(自身を除く): 21509739560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1997, 3994, 7988, 8677, 9985, 15976, 17354, 19970, 34708, 39940, 43385, 45931, 69416, 79880, 86770, 91862, 173540, 183724, 199571, 229655, 347080, 367448, 399142, 459310, 798284, 918620, 997855, 1596568, 1837240, 1995710, 3991420, 7982840, 17327969, 34655938, 69311876, 86639845, 138623752, 173279690, 346559380, 398543287, 693118760, 797086574, 1594173148, 1992716435, 3188346296, 3985432870, 7970865740, 15941731480]

約数ペア:

[(1, 15941731480), (2, 7970865740), (4, 3985432870), (5, 3188346296), (8, 1992716435), (10, 1594173148), (20, 797086574), (23, 693118760), (40, 398543287), (46, 346559380), (92, 173279690), (115, 138623752), (184, 86639845), (230, 69311876), (460, 34655938), (920, 17327969), (1997, 7982840), (3994, 3991420), (7988, 1995710), (8677, 1837240), (9985, 1596568), (15976, 997855), (17354, 918620), (19970, 798284), (34708, 459310), (39940, 399142), (43385, 367448), (45931, 347080), (69416, 229655), (79880, 199571), (86770, 183724), (91862, 173540)]