40807980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9857}}^1$

素因数の和:9895

約数の個数: 72

約数和(自身を含む): 129179232

約数和(自身を除く): 88371252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 9857, 19714, 29571, 39428, 49285, 59142, 88713, 98570, 118284, 147855, 177426, 197140, 226711, 295710, 354852, 443565, 453422, 591420, 680133, 887130, 906844, 1133555, 1360266, 1774260, 2040399, 2267110, 2720532, 3400665, 4080798, 4534220, 6801330, 8161596, 10201995, 13602660, 20403990, 40807980]

約数ペア:

[(1, 40807980), (2, 20403990), (3, 13602660), (4, 10201995), (5, 8161596), (6, 6801330), (9, 4534220), (10, 4080798), (12, 3400665), (15, 2720532), (18, 2267110), (20, 2040399), (23, 1774260), (30, 1360266), (36, 1133555), (45, 906844), (46, 887130), (60, 680133), (69, 591420), (90, 453422), (92, 443565), (115, 354852), (138, 295710), (180, 226711), (207, 197140), (230, 177426), (276, 147855), (345, 118284), (414, 98570), (460, 88713), (690, 59142), (828, 49285), (1035, 39428), (1380, 29571), (2070, 19714), (4140, 9857)]