73640840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20231}}^1$

素因数の和:20262

約数の個数: 64

約数和(自身を含む): 203938560

約数和(自身を除く): 130297720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 20231, 40462, 80924, 101155, 141617, 161848, 202310, 263003, 283234, 404620, 526006, 566468, 708085, 809240, 1052012, 1132936, 1315015, 1416170, 1841021, 2104024, 2630030, 2832340, 3682042, 5260060, 5664680, 7364084, 9205105, 10520120, 14728168, 18410210, 36820420, 73640840]

約数ペア:

[(1, 73640840), (2, 36820420), (4, 18410210), (5, 14728168), (7, 10520120), (8, 9205105), (10, 7364084), (13, 5664680), (14, 5260060), (20, 3682042), (26, 2832340), (28, 2630030), (35, 2104024), (40, 1841021), (52, 1416170), (56, 1315015), (65, 1132936), (70, 1052012), (91, 809240), (104, 708085), (130, 566468), (140, 526006), (182, 404620), (260, 283234), (280, 263003), (364, 202310), (455, 161848), (520, 141617), (728, 101155), (910, 80924), (1820, 40462), (3640, 20231)]