1259830040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{9239}}^1$

素因数の和:9744

約数の個数: 64

約数和(自身を含む): 3246566400

約数和(自身を除く): 1986736360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 487, 974, 1948, 2435, 3409, 3896, 4870, 6818, 9239, 9740, 13636, 17045, 18478, 19480, 27272, 34090, 36956, 46195, 64673, 68180, 73912, 92390, 129346, 136360, 184780, 258692, 323365, 369560, 517384, 646730, 1293460, 2586920, 4499393, 8998786, 17997572, 22496965, 31495751, 35995144, 44993930, 62991502, 89987860, 125983004, 157478755, 179975720, 251966008, 314957510, 629915020, 1259830040]

約数ペア:

[(1, 1259830040), (2, 629915020), (4, 314957510), (5, 251966008), (7, 179975720), (8, 157478755), (10, 125983004), (14, 89987860), (20, 62991502), (28, 44993930), (35, 35995144), (40, 31495751), (56, 22496965), (70, 17997572), (140, 8998786), (280, 4499393), (487, 2586920), (974, 1293460), (1948, 646730), (2435, 517384), (3409, 369560), (3896, 323365), (4870, 258692), (6818, 184780), (9239, 136360), (9740, 129346), (13636, 92390), (17045, 73912), (18478, 68180), (19480, 64673), (27272, 46195), (34090, 36956)]