247997880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2789}}^1$

素因数の和:2838

約数の個数: 192

約数和(自身を含む): 914004000

約数和(自身を除く): 666006120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 52, 57, 60, 65, 72, 76, 78, 90, 95, 104, 114, 117, 120, 130, 152, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 684, 741, 760, 780, 855, 936, 988, 1140, 1170, 1235, 1368, 1482, 1560, 1710, 1976, 2223, 2280, 2340, 2470, 2789, 2964, 3420, 3705, 4446, 4680, 4940, 5578, 5928, 6840, 7410, 8367, 8892, 9880, 11115, 11156, 13945, 14820, 16734, 17784, 22230, 22312, 25101, 27890, 29640, 33468, 36257, 41835, 44460, 50202, 52991, 55780, 66936, 72514, 83670, 88920, 100404, 105982, 108771, 111560, 125505, 145028, 158973, 167340, 181285, 200808, 211964, 217542, 251010, 264955, 290056, 317946, 326313, 334680, 362570, 423928, 435084, 476919, 502020, 529910, 543855, 635892, 652626, 688883, 725140, 794865, 870168, 953838, 1004040, 1059820, 1087710, 1271784, 1305252, 1377766, 1450280, 1589730, 1631565, 1907676, 2066649, 2119640, 2175420, 2384595, 2610504, 2755532, 3179460, 3263130, 3444415, 3815352, 4133298, 4350840, 4769190, 5511064, 6199947, 6358920, 6526260, 6888830, 8266596, 9538380, 10333245, 12399894, 13052520, 13777660, 16533192, 19076760, 20666490, 24799788, 27555320, 30999735, 41332980, 49599576, 61999470, 82665960, 123998940, 247997880]

約数ペア:

[(1, 247997880), (2, 123998940), (3, 82665960), (4, 61999470), (5, 49599576), (6, 41332980), (8, 30999735), (9, 27555320), (10, 24799788), (12, 20666490), (13, 19076760), (15, 16533192), (18, 13777660), (19, 13052520), (20, 12399894), (24, 10333245), (26, 9538380), (30, 8266596), (36, 6888830), (38, 6526260), (39, 6358920), (40, 6199947), (45, 5511064), (52, 4769190), (57, 4350840), (60, 4133298), (65, 3815352), (72, 3444415), (76, 3263130), (78, 3179460), (90, 2755532), (95, 2610504), (104, 2384595), (114, 2175420), (117, 2119640), (120, 2066649), (130, 1907676), (152, 1631565), (156, 1589730), (171, 1450280), (180, 1377766), (190, 1305252), (195, 1271784), (228, 1087710), (234, 1059820), (247, 1004040), (260, 953838), (285, 870168), (312, 794865), (342, 725140), (360, 688883), (380, 652626), (390, 635892), (456, 543855), (468, 529910), (494, 502020), (520, 476919), (570, 435084), (585, 423928), (684, 362570), (741, 334680), (760, 326313), (780, 317946), (855, 290056), (936, 264955), (988, 251010), (1140, 217542), (1170, 211964), (1235, 200808), (1368, 181285), (1482, 167340), (1560, 158973), (1710, 145028), (1976, 125505), (2223, 111560), (2280, 108771), (2340, 105982), (2470, 100404), (2789, 88920), (2964, 83670), (3420, 72514), (3705, 66936), (4446, 55780), (4680, 52991), (4940, 50202), (5578, 44460), (5928, 41835), (6840, 36257), (7410, 33468), (8367, 29640), (8892, 27890), (9880, 25101), (11115, 22312), (11156, 22230), (13945, 17784), (14820, 16734)]