1279622640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1040

約数の個数: 240

約数和(自身を含む): 4440251520

約数和(自身を除く): 3160628880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 255, 272, 285, 289, 304, 323, 340, 380, 408, 456, 510, 570, 578, 646, 680, 760, 816, 867, 912, 969, 971, 1020, 1140, 1156, 1292, 1360, 1445, 1520, 1615, 1734, 1938, 1942, 2040, 2280, 2312, 2584, 2890, 2913, 3230, 3468, 3876, 3884, 4080, 4335, 4560, 4624, 4845, 4855, 5168, 5491, 5780, 5826, 6460, 6936, 7752, 7768, 8670, 9690, 9710, 10982, 11560, 11652, 12920, 13872, 14565, 15504, 15536, 16473, 16507, 17340, 18449, 19380, 19420, 21964, 23120, 23304, 25840, 27455, 29130, 32946, 33014, 34680, 36898, 38760, 38840, 43928, 46608, 49521, 54910, 55347, 58260, 65892, 66028, 69360, 73796, 77520, 77680, 82365, 82535, 87856, 92245, 99042, 109820, 110694, 116520, 131784, 132056, 147592, 164730, 165070, 184490, 198084, 219640, 221388, 233040, 247605, 263568, 264112, 276735, 280619, 295184, 313633, 329460, 330140, 368980, 396168, 439280, 442776, 495210, 553470, 561238, 627266, 658920, 660280, 737960, 792336, 841857, 885552, 940899, 990420, 1106940, 1122476, 1254532, 1317840, 1320560, 1403095, 1475920, 1568165, 1683714, 1881798, 1980840, 2213880, 2244952, 2509064, 2806190, 3136330, 3367428, 3763596, 3961680, 4209285, 4427760, 4489904, 4704495, 5018128, 5331761, 5612380, 6272660, 6734856, 7527192, 8418570, 9408990, 10663522, 11224760, 12545320, 13469712, 15054384, 15995283, 16837140, 18817980, 21327044, 22449520, 25090640, 26658805, 31990566, 33674280, 37635960, 42654088, 53317610, 63981132, 67348560, 75271920, 79976415, 85308176, 106635220, 127962264, 159952830, 213270440, 255924528, 319905660, 426540880, 639811320, 1279622640]

約数ペア:

[(1, 1279622640), (2, 639811320), (3, 426540880), (4, 319905660), (5, 255924528), (6, 213270440), (8, 159952830), (10, 127962264), (12, 106635220), (15, 85308176), (16, 79976415), (17, 75271920), (19, 67348560), (20, 63981132), (24, 53317610), (30, 42654088), (34, 37635960), (38, 33674280), (40, 31990566), (48, 26658805), (51, 25090640), (57, 22449520), (60, 21327044), (68, 18817980), (76, 16837140), (80, 15995283), (85, 15054384), (95, 13469712), (102, 12545320), (114, 11224760), (120, 10663522), (136, 9408990), (152, 8418570), (170, 7527192), (190, 6734856), (204, 6272660), (228, 5612380), (240, 5331761), (255, 5018128), (272, 4704495), (285, 4489904), (289, 4427760), (304, 4209285), (323, 3961680), (340, 3763596), (380, 3367428), (408, 3136330), (456, 2806190), (510, 2509064), (570, 2244952), (578, 2213880), (646, 1980840), (680, 1881798), (760, 1683714), (816, 1568165), (867, 1475920), (912, 1403095), (969, 1320560), (971, 1317840), (1020, 1254532), (1140, 1122476), (1156, 1106940), (1292, 990420), (1360, 940899), (1445, 885552), (1520, 841857), (1615, 792336), (1734, 737960), (1938, 660280), (1942, 658920), (2040, 627266), (2280, 561238), (2312, 553470), (2584, 495210), (2890, 442776), (2913, 439280), (3230, 396168), (3468, 368980), (3876, 330140), (3884, 329460), (4080, 313633), (4335, 295184), (4560, 280619), (4624, 276735), (4845, 264112), (4855, 263568), (5168, 247605), (5491, 233040), (5780, 221388), (5826, 219640), (6460, 198084), (6936, 184490), (7752, 165070), (7768, 164730), (8670, 147592), (9690, 132056), (9710, 131784), (10982, 116520), (11560, 110694), (11652, 109820), (12920, 99042), (13872, 92245), (14565, 87856), (15504, 82535), (15536, 82365), (16473, 77680), (16507, 77520), (17340, 73796), (18449, 69360), (19380, 66028), (19420, 65892), (21964, 58260), (23120, 55347), (23304, 54910), (25840, 49521), (27455, 46608), (29130, 43928), (32946, 38840), (33014, 38760), (34680, 36898)]