18371080

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:148

約数の個数: 128

約数和(自身を含む): 52416000

約数和(自身を除く): 34044920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 103, 104, 130, 140, 182, 196, 206, 245, 260, 280, 343, 364, 392, 412, 455, 490, 515, 520, 637, 686, 721, 728, 824, 910, 980, 1030, 1274, 1339, 1372, 1442, 1715, 1820, 1960, 2060, 2548, 2678, 2744, 2884, 3185, 3430, 3605, 3640, 4120, 4459, 5047, 5096, 5356, 5768, 6370, 6695, 6860, 7210, 8918, 9373, 10094, 10712, 12740, 13390, 13720, 14420, 17836, 18746, 20188, 22295, 25235, 25480, 26780, 28840, 35329, 35672, 37492, 40376, 44590, 46865, 50470, 53560, 65611, 70658, 74984, 89180, 93730, 100940, 131222, 141316, 176645, 178360, 187460, 201880, 262444, 282632, 328055, 353290, 374920, 459277, 524888, 656110, 706580, 918554, 1312220, 1413160, 1837108, 2296385, 2624440, 3674216, 4592770, 9185540, 18371080]

約数ペア:

[(1, 18371080), (2, 9185540), (4, 4592770), (5, 3674216), (7, 2624440), (8, 2296385), (10, 1837108), (13, 1413160), (14, 1312220), (20, 918554), (26, 706580), (28, 656110), (35, 524888), (40, 459277), (49, 374920), (52, 353290), (56, 328055), (65, 282632), (70, 262444), (91, 201880), (98, 187460), (103, 178360), (104, 176645), (130, 141316), (140, 131222), (182, 100940), (196, 93730), (206, 89180), (245, 74984), (260, 70658), (280, 65611), (343, 53560), (364, 50470), (392, 46865), (412, 44590), (455, 40376), (490, 37492), (515, 35672), (520, 35329), (637, 28840), (686, 26780), (721, 25480), (728, 25235), (824, 22295), (910, 20188), (980, 18746), (1030, 17836), (1274, 14420), (1339, 13720), (1372, 13390), (1442, 12740), (1715, 10712), (1820, 10094), (1960, 9373), (2060, 8918), (2548, 7210), (2678, 6860), (2744, 6695), (2884, 6370), (3185, 5768), (3430, 5356), (3605, 5096), (3640, 5047), (4120, 4459)]