1818515640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{4153}}^1$

素因数の和:4297

約数の個数: 128

約数和(自身を含む): 5652763200

約数和(自身を除く): 3834247560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 89, 120, 123, 164, 178, 205, 246, 267, 328, 356, 410, 445, 492, 534, 615, 712, 820, 890, 984, 1068, 1230, 1335, 1640, 1780, 2136, 2460, 2670, 3560, 3649, 4153, 4920, 5340, 7298, 8306, 10680, 10947, 12459, 14596, 16612, 18245, 20765, 21894, 24918, 29192, 33224, 36490, 41530, 43788, 49836, 54735, 62295, 72980, 83060, 87576, 99672, 109470, 124590, 145960, 166120, 170273, 218940, 249180, 340546, 369617, 437880, 498360, 510819, 681092, 739234, 851365, 1021638, 1108851, 1362184, 1478468, 1702730, 1848085, 2043276, 2217702, 2554095, 2956936, 3405460, 3696170, 4086552, 4435404, 5108190, 5544255, 6810920, 7392340, 8870808, 10216380, 11088510, 14784680, 15154297, 20432760, 22177020, 30308594, 44354040, 45462891, 60617188, 75771485, 90925782, 121234376, 151542970, 181851564, 227314455, 303085940, 363703128, 454628910, 606171880, 909257820, 1818515640]

約数ペア:

[(1, 1818515640), (2, 909257820), (3, 606171880), (4, 454628910), (5, 363703128), (6, 303085940), (8, 227314455), (10, 181851564), (12, 151542970), (15, 121234376), (20, 90925782), (24, 75771485), (30, 60617188), (40, 45462891), (41, 44354040), (60, 30308594), (82, 22177020), (89, 20432760), (120, 15154297), (123, 14784680), (164, 11088510), (178, 10216380), (205, 8870808), (246, 7392340), (267, 6810920), (328, 5544255), (356, 5108190), (410, 4435404), (445, 4086552), (492, 3696170), (534, 3405460), (615, 2956936), (712, 2554095), (820, 2217702), (890, 2043276), (984, 1848085), (1068, 1702730), (1230, 1478468), (1335, 1362184), (1640, 1108851), (1780, 1021638), (2136, 851365), (2460, 739234), (2670, 681092), (3560, 510819), (3649, 498360), (4153, 437880), (4920, 369617), (5340, 340546), (7298, 249180), (8306, 218940), (10680, 170273), (10947, 166120), (12459, 145960), (14596, 124590), (16612, 109470), (18245, 99672), (20765, 87576), (21894, 83060), (24918, 72980), (29192, 62295), (33224, 54735), (36490, 49836), (41530, 43788)]