247995440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:475

約数の個数: 160

約数和(自身を含む): 726810624

約数和(自身を除く): 478815184

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 127, 140, 154, 176, 220, 254, 280, 308, 317, 385, 440, 508, 560, 616, 634, 635, 770, 880, 889, 1016, 1232, 1268, 1270, 1397, 1540, 1585, 1778, 2032, 2219, 2536, 2540, 2794, 3080, 3170, 3487, 3556, 4438, 4445, 5072, 5080, 5588, 6160, 6340, 6974, 6985, 7112, 8876, 8890, 9779, 10160, 11095, 11176, 12680, 13948, 13970, 14224, 17435, 17752, 17780, 19558, 22190, 22352, 24409, 25360, 27896, 27940, 34870, 35504, 35560, 39116, 40259, 44380, 48818, 48895, 55792, 55880, 69740, 71120, 78232, 80518, 88760, 97636, 97790, 111760, 122045, 139480, 156464, 161036, 177520, 195272, 195580, 201295, 244090, 278960, 281813, 322072, 390544, 391160, 402590, 442849, 488180, 563626, 644144, 782320, 805180, 885698, 976360, 1127252, 1409065, 1610360, 1771396, 1952720, 2214245, 2254504, 2818130, 3099943, 3220720, 3542792, 4428490, 4509008, 5636260, 6199886, 7085584, 8856980, 11272520, 12399772, 15499715, 17713960, 22545040, 24799544, 30999430, 35427920, 49599088, 61998860, 123997720, 247995440]

約数ペア:

[(1, 247995440), (2, 123997720), (4, 61998860), (5, 49599088), (7, 35427920), (8, 30999430), (10, 24799544), (11, 22545040), (14, 17713960), (16, 15499715), (20, 12399772), (22, 11272520), (28, 8856980), (35, 7085584), (40, 6199886), (44, 5636260), (55, 4509008), (56, 4428490), (70, 3542792), (77, 3220720), (80, 3099943), (88, 2818130), (110, 2254504), (112, 2214245), (127, 1952720), (140, 1771396), (154, 1610360), (176, 1409065), (220, 1127252), (254, 976360), (280, 885698), (308, 805180), (317, 782320), (385, 644144), (440, 563626), (508, 488180), (560, 442849), (616, 402590), (634, 391160), (635, 390544), (770, 322072), (880, 281813), (889, 278960), (1016, 244090), (1232, 201295), (1268, 195580), (1270, 195272), (1397, 177520), (1540, 161036), (1585, 156464), (1778, 139480), (2032, 122045), (2219, 111760), (2536, 97790), (2540, 97636), (2794, 88760), (3080, 80518), (3170, 78232), (3487, 71120), (3556, 69740), (4438, 55880), (4445, 55792), (5072, 48895), (5080, 48818), (5588, 44380), (6160, 40259), (6340, 39116), (6974, 35560), (6985, 35504), (7112, 34870), (8876, 27940), (8890, 27896), (9779, 25360), (10160, 24409), (11095, 22352), (11176, 22190), (12680, 19558), (13948, 17780), (13970, 17752), (14224, 17435)]