256119480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:294

約数の個数: 192

約数和(自身を含む): 861775200

約数和(自身を除く): 605655720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 107, 109, 120, 122, 180, 183, 214, 218, 244, 305, 321, 327, 360, 366, 428, 436, 488, 535, 545, 549, 610, 642, 654, 732, 856, 872, 915, 963, 981, 1070, 1090, 1098, 1220, 1284, 1308, 1464, 1605, 1635, 1830, 1926, 1962, 2140, 2180, 2196, 2440, 2568, 2616, 2745, 3210, 3270, 3660, 3852, 3924, 4280, 4360, 4392, 4815, 4905, 5490, 6420, 6527, 6540, 6649, 7320, 7704, 7848, 9630, 9810, 10980, 11663, 12840, 13054, 13080, 13298, 19260, 19581, 19620, 19947, 21960, 23326, 26108, 26596, 32635, 33245, 34989, 38520, 39162, 39240, 39894, 46652, 52216, 53192, 58315, 58743, 59841, 65270, 66490, 69978, 78324, 79788, 93304, 97905, 99735, 104967, 116630, 117486, 119682, 130540, 132980, 139956, 156648, 159576, 174945, 195810, 199470, 209934, 233260, 234972, 239364, 261080, 265960, 279912, 293715, 299205, 349890, 391620, 398940, 419868, 466520, 469944, 478728, 524835, 587430, 598410, 699780, 711443, 783240, 797880, 839736, 1049670, 1174860, 1196820, 1399560, 1422886, 2099340, 2134329, 2349720, 2393640, 2845772, 3557215, 4198680, 4268658, 5691544, 6402987, 7114430, 8537316, 10671645, 12805974, 14228860, 17074632, 21343290, 25611948, 28457720, 32014935, 42686580, 51223896, 64029870, 85373160, 128059740, 256119480]

約数ペア:

[(1, 256119480), (2, 128059740), (3, 85373160), (4, 64029870), (5, 51223896), (6, 42686580), (8, 32014935), (9, 28457720), (10, 25611948), (12, 21343290), (15, 17074632), (18, 14228860), (20, 12805974), (24, 10671645), (30, 8537316), (36, 7114430), (40, 6402987), (45, 5691544), (60, 4268658), (61, 4198680), (72, 3557215), (90, 2845772), (107, 2393640), (109, 2349720), (120, 2134329), (122, 2099340), (180, 1422886), (183, 1399560), (214, 1196820), (218, 1174860), (244, 1049670), (305, 839736), (321, 797880), (327, 783240), (360, 711443), (366, 699780), (428, 598410), (436, 587430), (488, 524835), (535, 478728), (545, 469944), (549, 466520), (610, 419868), (642, 398940), (654, 391620), (732, 349890), (856, 299205), (872, 293715), (915, 279912), (963, 265960), (981, 261080), (1070, 239364), (1090, 234972), (1098, 233260), (1220, 209934), (1284, 199470), (1308, 195810), (1464, 174945), (1605, 159576), (1635, 156648), (1830, 139956), (1926, 132980), (1962, 130540), (2140, 119682), (2180, 117486), (2196, 116630), (2440, 104967), (2568, 99735), (2616, 97905), (2745, 93304), (3210, 79788), (3270, 78324), (3660, 69978), (3852, 66490), (3924, 65270), (4280, 59841), (4360, 58743), (4392, 58315), (4815, 53192), (4905, 52216), (5490, 46652), (6420, 39894), (6527, 39240), (6540, 39162), (6649, 38520), (7320, 34989), (7704, 33245), (7848, 32635), (9630, 26596), (9810, 26108), (10980, 23326), (11663, 21960), (12840, 19947), (13054, 19620), (13080, 19581), (13298, 19260)]