1289690040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{27487}}^1$

素因数の和:27541

約数の個数: 128

約数和(自身を含む): 4274933760

約数和(自身を除く): 2985243720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 391, 408, 460, 510, 552, 680, 690, 782, 920, 1020, 1173, 1380, 1564, 1955, 2040, 2346, 2760, 3128, 3910, 4692, 5865, 7820, 9384, 11730, 15640, 23460, 27487, 46920, 54974, 82461, 109948, 137435, 164922, 219896, 274870, 329844, 412305, 467279, 549740, 632201, 659688, 824610, 934558, 1099480, 1264402, 1401837, 1649220, 1869116, 1896603, 2336395, 2528804, 2803674, 3161005, 3298440, 3738232, 3793206, 4672790, 5057608, 5607348, 6322010, 7009185, 7586412, 9345580, 9483015, 10747417, 11214696, 12644020, 14018370, 15172824, 18691160, 18966030, 21494834, 25288040, 28036740, 32242251, 37932060, 42989668, 53737085, 56073480, 64484502, 75864120, 85979336, 107474170, 128969004, 161211255, 214948340, 257938008, 322422510, 429896680, 644845020, 1289690040]

約数ペア:

[(1, 1289690040), (2, 644845020), (3, 429896680), (4, 322422510), (5, 257938008), (6, 214948340), (8, 161211255), (10, 128969004), (12, 107474170), (15, 85979336), (17, 75864120), (20, 64484502), (23, 56073480), (24, 53737085), (30, 42989668), (34, 37932060), (40, 32242251), (46, 28036740), (51, 25288040), (60, 21494834), (68, 18966030), (69, 18691160), (85, 15172824), (92, 14018370), (102, 12644020), (115, 11214696), (120, 10747417), (136, 9483015), (138, 9345580), (170, 7586412), (184, 7009185), (204, 6322010), (230, 5607348), (255, 5057608), (276, 4672790), (340, 3793206), (345, 3738232), (391, 3298440), (408, 3161005), (460, 2803674), (510, 2528804), (552, 2336395), (680, 1896603), (690, 1869116), (782, 1649220), (920, 1401837), (1020, 1264402), (1173, 1099480), (1380, 934558), (1564, 824610), (1955, 659688), (2040, 632201), (2346, 549740), (2760, 467279), (3128, 412305), (3910, 329844), (4692, 274870), (5865, 219896), (7820, 164922), (9384, 137435), (11730, 109948), (15640, 82461), (23460, 54974), (27487, 46920)]