674351720

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{2137}}^1$

素因数の和:2192

約数の個数: 128

約数和(自身を含む): 1847232000

約数和(自身を除く): 1172880280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 322, 343, 392, 460, 490, 644, 686, 805, 920, 980, 1127, 1288, 1372, 1610, 1715, 1960, 2137, 2254, 2744, 3220, 3430, 4274, 4508, 5635, 6440, 6860, 7889, 8548, 9016, 10685, 11270, 13720, 14959, 15778, 17096, 21370, 22540, 29918, 31556, 39445, 42740, 45080, 49151, 59836, 63112, 74795, 78890, 85480, 98302, 104713, 119672, 149590, 157780, 196604, 209426, 245755, 299180, 315560, 344057, 393208, 418852, 491510, 523565, 598360, 688114, 732991, 837704, 983020, 1047130, 1376228, 1465982, 1720285, 1966040, 2094260, 2408399, 2752456, 2931964, 3440570, 3664955, 4188520, 4816798, 5863928, 6881140, 7329910, 9633596, 12041995, 13762280, 14659820, 16858793, 19267192, 24083990, 29319640, 33717586, 48167980, 67435172, 84293965, 96335960, 134870344, 168587930, 337175860, 674351720]

約数ペア:

[(1, 674351720), (2, 337175860), (4, 168587930), (5, 134870344), (7, 96335960), (8, 84293965), (10, 67435172), (14, 48167980), (20, 33717586), (23, 29319640), (28, 24083990), (35, 19267192), (40, 16858793), (46, 14659820), (49, 13762280), (56, 12041995), (70, 9633596), (92, 7329910), (98, 6881140), (115, 5863928), (140, 4816798), (161, 4188520), (184, 3664955), (196, 3440570), (230, 2931964), (245, 2752456), (280, 2408399), (322, 2094260), (343, 1966040), (392, 1720285), (460, 1465982), (490, 1376228), (644, 1047130), (686, 983020), (805, 837704), (920, 732991), (980, 688114), (1127, 598360), (1288, 523565), (1372, 491510), (1610, 418852), (1715, 393208), (1960, 344057), (2137, 315560), (2254, 299180), (2744, 245755), (3220, 209426), (3430, 196604), (4274, 157780), (4508, 149590), (5635, 119672), (6440, 104713), (6860, 98302), (7889, 85480), (8548, 78890), (9016, 74795), (10685, 63112), (11270, 59836), (13720, 49151), (14959, 45080), (15778, 42740), (17096, 39445), (21370, 31556), (22540, 29918)]