256419324

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:249

約数の個数: 192

約数和(自身を含む): 796723200

約数和(自身を除く): 540303876

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 37, 42, 54, 63, 74, 84, 89, 103, 108, 111, 126, 148, 178, 189, 206, 222, 252, 259, 267, 309, 333, 356, 378, 412, 444, 518, 534, 618, 623, 666, 721, 756, 777, 801, 927, 999, 1036, 1068, 1236, 1246, 1332, 1442, 1554, 1602, 1854, 1869, 1998, 2163, 2331, 2403, 2492, 2781, 2884, 3108, 3204, 3293, 3708, 3738, 3811, 3996, 4326, 4662, 4806, 5562, 5607, 6489, 6586, 6993, 7476, 7622, 8652, 9167, 9324, 9612, 9879, 11124, 11214, 11433, 12978, 13172, 13986, 15244, 16821, 18334, 19467, 19758, 22428, 22866, 23051, 25956, 26677, 27501, 27972, 29637, 33642, 34299, 36668, 38934, 39516, 45732, 46102, 53354, 55002, 59274, 64169, 67284, 68598, 69153, 77868, 80031, 82503, 88911, 92204, 102897, 106708, 110004, 118548, 128338, 137196, 138306, 160062, 165006, 177822, 192507, 205794, 207459, 240093, 247509, 256676, 276612, 320124, 330012, 339179, 355644, 385014, 411588, 414918, 480186, 495018, 577521, 622377, 678358, 720279, 770028, 829836, 960372, 990036, 1017537, 1155042, 1244754, 1356716, 1440558, 1732563, 2035074, 2310084, 2374253, 2489508, 2881116, 3052611, 3465126, 4070148, 4748506, 6105222, 6930252, 7122759, 9157833, 9497012, 12210444, 14245518, 18315666, 21368277, 28491036, 36631332, 42736554, 64104831, 85473108, 128209662, 256419324]

約数ペア:

[(1, 256419324), (2, 128209662), (3, 85473108), (4, 64104831), (6, 42736554), (7, 36631332), (9, 28491036), (12, 21368277), (14, 18315666), (18, 14245518), (21, 12210444), (27, 9497012), (28, 9157833), (36, 7122759), (37, 6930252), (42, 6105222), (54, 4748506), (63, 4070148), (74, 3465126), (84, 3052611), (89, 2881116), (103, 2489508), (108, 2374253), (111, 2310084), (126, 2035074), (148, 1732563), (178, 1440558), (189, 1356716), (206, 1244754), (222, 1155042), (252, 1017537), (259, 990036), (267, 960372), (309, 829836), (333, 770028), (356, 720279), (378, 678358), (412, 622377), (444, 577521), (518, 495018), (534, 480186), (618, 414918), (623, 411588), (666, 385014), (721, 355644), (756, 339179), (777, 330012), (801, 320124), (927, 276612), (999, 256676), (1036, 247509), (1068, 240093), (1236, 207459), (1246, 205794), (1332, 192507), (1442, 177822), (1554, 165006), (1602, 160062), (1854, 138306), (1869, 137196), (1998, 128338), (2163, 118548), (2331, 110004), (2403, 106708), (2492, 102897), (2781, 92204), (2884, 88911), (3108, 82503), (3204, 80031), (3293, 77868), (3708, 69153), (3738, 68598), (3811, 67284), (3996, 64169), (4326, 59274), (4662, 55002), (4806, 53354), (5562, 46102), (5607, 45732), (6489, 39516), (6586, 38934), (6993, 36668), (7476, 34299), (7622, 33642), (8652, 29637), (9167, 27972), (9324, 27501), (9612, 26677), (9879, 25956), (11124, 23051), (11214, 22866), (11433, 22428), (12978, 19758), (13172, 19467), (13986, 18334), (15244, 16821)]