68808690

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:318

約数の個数: 160

約数和(自身を含む): 206997120

約数和(自身を除く): 138188430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 27, 30, 34, 38, 45, 51, 54, 57, 81, 85, 90, 95, 102, 114, 135, 153, 162, 170, 171, 190, 255, 263, 270, 285, 306, 323, 342, 405, 459, 510, 513, 526, 570, 646, 765, 789, 810, 855, 918, 969, 1026, 1315, 1377, 1530, 1539, 1578, 1615, 1710, 1938, 2295, 2367, 2565, 2630, 2754, 2907, 3078, 3230, 3945, 4471, 4590, 4734, 4845, 4997, 5130, 5814, 6885, 7101, 7695, 7890, 8721, 8942, 9690, 9994, 11835, 13413, 13770, 14202, 14535, 14991, 15390, 17442, 21303, 22355, 23670, 24985, 26163, 26826, 29070, 29982, 35505, 40239, 42606, 43605, 44710, 44973, 49970, 52326, 67065, 71010, 74955, 80478, 84949, 87210, 89946, 106515, 120717, 130815, 134130, 134919, 149910, 169898, 201195, 213030, 224865, 241434, 254847, 261630, 269838, 362151, 402390, 404757, 424745, 449730, 509694, 603585, 674595, 724302, 764541, 809514, 849490, 1207170, 1274235, 1349190, 1529082, 1810755, 2023785, 2293623, 2548470, 3621510, 3822705, 4047570, 4587246, 6880869, 7645410, 11468115, 13761738, 22936230, 34404345, 68808690]

約数ペア:

[(1, 68808690), (2, 34404345), (3, 22936230), (5, 13761738), (6, 11468115), (9, 7645410), (10, 6880869), (15, 4587246), (17, 4047570), (18, 3822705), (19, 3621510), (27, 2548470), (30, 2293623), (34, 2023785), (38, 1810755), (45, 1529082), (51, 1349190), (54, 1274235), (57, 1207170), (81, 849490), (85, 809514), (90, 764541), (95, 724302), (102, 674595), (114, 603585), (135, 509694), (153, 449730), (162, 424745), (170, 404757), (171, 402390), (190, 362151), (255, 269838), (263, 261630), (270, 254847), (285, 241434), (306, 224865), (323, 213030), (342, 201195), (405, 169898), (459, 149910), (510, 134919), (513, 134130), (526, 130815), (570, 120717), (646, 106515), (765, 89946), (789, 87210), (810, 84949), (855, 80478), (918, 74955), (969, 71010), (1026, 67065), (1315, 52326), (1377, 49970), (1530, 44973), (1539, 44710), (1578, 43605), (1615, 42606), (1710, 40239), (1938, 35505), (2295, 29982), (2367, 29070), (2565, 26826), (2630, 26163), (2754, 24985), (2907, 23670), (3078, 22355), (3230, 21303), (3945, 17442), (4471, 15390), (4590, 14991), (4734, 14535), (4845, 14202), (4997, 13770), (5130, 13413), (5814, 11835), (6885, 9994), (7101, 9690), (7695, 8942), (7890, 8721)]