253851780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2447}}^1$

素因数の和:2498

約数の個数: 192

約数和(自身を含む): 921231360

約数和(自身を除く): 667379580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 26, 28, 30, 35, 38, 39, 42, 52, 57, 60, 65, 70, 76, 78, 84, 91, 95, 105, 114, 130, 133, 140, 156, 182, 190, 195, 210, 228, 247, 260, 266, 273, 285, 364, 380, 390, 399, 420, 455, 494, 532, 546, 570, 665, 741, 780, 798, 910, 988, 1092, 1140, 1235, 1330, 1365, 1482, 1596, 1729, 1820, 1995, 2447, 2470, 2660, 2730, 2964, 3458, 3705, 3990, 4894, 4940, 5187, 5460, 6916, 7341, 7410, 7980, 8645, 9788, 10374, 12235, 14682, 14820, 17129, 17290, 20748, 24470, 25935, 29364, 31811, 34258, 34580, 36705, 46493, 48940, 51387, 51870, 63622, 68516, 73410, 85645, 92986, 95433, 102774, 103740, 127244, 139479, 146820, 159055, 171290, 185972, 190866, 205548, 222677, 232465, 256935, 278958, 318110, 325451, 342580, 381732, 445354, 464930, 477165, 513870, 557916, 604409, 636220, 650902, 668031, 697395, 890708, 929860, 954330, 976353, 1027740, 1113385, 1208818, 1301804, 1336062, 1394790, 1627255, 1813227, 1908660, 1952706, 2226770, 2417636, 2672124, 2789580, 3022045, 3254510, 3340155, 3626454, 3905412, 4230863, 4453540, 4881765, 6044090, 6509020, 6680310, 7252908, 8461726, 9066135, 9763530, 12088180, 12692589, 13360620, 16923452, 18132270, 19527060, 21154315, 25385178, 36264540, 42308630, 50770356, 63462945, 84617260, 126925890, 253851780]

約数ペア:

[(1, 253851780), (2, 126925890), (3, 84617260), (4, 63462945), (5, 50770356), (6, 42308630), (7, 36264540), (10, 25385178), (12, 21154315), (13, 19527060), (14, 18132270), (15, 16923452), (19, 13360620), (20, 12692589), (21, 12088180), (26, 9763530), (28, 9066135), (30, 8461726), (35, 7252908), (38, 6680310), (39, 6509020), (42, 6044090), (52, 4881765), (57, 4453540), (60, 4230863), (65, 3905412), (70, 3626454), (76, 3340155), (78, 3254510), (84, 3022045), (91, 2789580), (95, 2672124), (105, 2417636), (114, 2226770), (130, 1952706), (133, 1908660), (140, 1813227), (156, 1627255), (182, 1394790), (190, 1336062), (195, 1301804), (210, 1208818), (228, 1113385), (247, 1027740), (260, 976353), (266, 954330), (273, 929860), (285, 890708), (364, 697395), (380, 668031), (390, 650902), (399, 636220), (420, 604409), (455, 557916), (494, 513870), (532, 477165), (546, 464930), (570, 445354), (665, 381732), (741, 342580), (780, 325451), (798, 318110), (910, 278958), (988, 256935), (1092, 232465), (1140, 222677), (1235, 205548), (1330, 190866), (1365, 185972), (1482, 171290), (1596, 159055), (1729, 146820), (1820, 139479), (1995, 127244), (2447, 103740), (2470, 102774), (2660, 95433), (2730, 92986), (2964, 85645), (3458, 73410), (3705, 68516), (3990, 63622), (4894, 51870), (4940, 51387), (5187, 48940), (5460, 46493), (6916, 36705), (7341, 34580), (7410, 34258), (7980, 31811), (8645, 29364), (9788, 25935), (10374, 24470), (12235, 20748), (14682, 17290), (14820, 17129)]