206520120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:422

約数の個数: 192

約数和(自身を含む): 715572000

約数和(自身を除く): 509051880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 109, 114, 120, 152, 171, 180, 190, 218, 228, 277, 285, 327, 342, 360, 380, 436, 456, 545, 554, 570, 654, 684, 760, 831, 855, 872, 981, 1090, 1108, 1140, 1308, 1368, 1385, 1635, 1662, 1710, 1962, 2071, 2180, 2216, 2280, 2493, 2616, 2770, 3270, 3324, 3420, 3924, 4142, 4155, 4360, 4905, 4986, 5263, 5540, 6213, 6540, 6648, 6840, 7848, 8284, 8310, 9810, 9972, 10355, 10526, 11080, 12426, 12465, 13080, 15789, 16568, 16620, 18639, 19620, 19944, 20710, 21052, 24852, 24930, 26315, 30193, 31065, 31578, 33240, 37278, 39240, 41420, 42104, 47367, 49704, 49860, 52630, 60386, 62130, 63156, 74556, 78945, 82840, 90579, 93195, 94734, 99720, 105260, 120772, 124260, 126312, 149112, 150965, 157890, 181158, 186390, 189468, 210520, 236835, 241544, 248520, 271737, 301930, 315780, 362316, 372780, 378936, 452895, 473670, 543474, 573667, 603860, 631560, 724632, 745560, 905790, 947340, 1086948, 1147334, 1207720, 1358685, 1721001, 1811580, 1894680, 2173896, 2294668, 2717370, 2868335, 3442002, 3623160, 4589336, 5163003, 5434740, 5736670, 6884004, 8605005, 10326006, 10869480, 11473340, 13768008, 17210010, 20652012, 22946680, 25815015, 34420020, 41304024, 51630030, 68840040, 103260060, 206520120]

約数ペア:

[(1, 206520120), (2, 103260060), (3, 68840040), (4, 51630030), (5, 41304024), (6, 34420020), (8, 25815015), (9, 22946680), (10, 20652012), (12, 17210010), (15, 13768008), (18, 11473340), (19, 10869480), (20, 10326006), (24, 8605005), (30, 6884004), (36, 5736670), (38, 5434740), (40, 5163003), (45, 4589336), (57, 3623160), (60, 3442002), (72, 2868335), (76, 2717370), (90, 2294668), (95, 2173896), (109, 1894680), (114, 1811580), (120, 1721001), (152, 1358685), (171, 1207720), (180, 1147334), (190, 1086948), (218, 947340), (228, 905790), (277, 745560), (285, 724632), (327, 631560), (342, 603860), (360, 573667), (380, 543474), (436, 473670), (456, 452895), (545, 378936), (554, 372780), (570, 362316), (654, 315780), (684, 301930), (760, 271737), (831, 248520), (855, 241544), (872, 236835), (981, 210520), (1090, 189468), (1108, 186390), (1140, 181158), (1308, 157890), (1368, 150965), (1385, 149112), (1635, 126312), (1662, 124260), (1710, 120772), (1962, 105260), (2071, 99720), (2180, 94734), (2216, 93195), (2280, 90579), (2493, 82840), (2616, 78945), (2770, 74556), (3270, 63156), (3324, 62130), (3420, 60386), (3924, 52630), (4142, 49860), (4155, 49704), (4360, 47367), (4905, 42104), (4986, 41420), (5263, 39240), (5540, 37278), (6213, 33240), (6540, 31578), (6648, 31065), (6840, 30193), (7848, 26315), (8284, 24930), (8310, 24852), (9810, 21052), (9972, 20710), (10355, 19944), (10526, 19620), (11080, 18639), (12426, 16620), (12465, 16568), (13080, 15789)]