1277914880

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:303

約数の個数: 216

約数和(自身を含む): 3471006336

約数和(自身を除く): 2193091456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 64, 74, 80, 88, 110, 121, 128, 148, 160, 176, 185, 220, 223, 242, 256, 296, 320, 352, 370, 407, 440, 446, 484, 592, 605, 640, 704, 740, 814, 880, 892, 968, 1115, 1184, 1210, 1280, 1408, 1480, 1628, 1760, 1784, 1936, 2035, 2230, 2368, 2420, 2453, 2816, 2960, 3256, 3520, 3568, 3872, 4070, 4460, 4477, 4736, 4840, 4906, 5920, 6512, 7040, 7136, 7744, 8140, 8251, 8920, 8954, 9472, 9680, 9812, 11840, 12265, 13024, 14080, 14272, 15488, 16280, 16502, 17840, 17908, 19360, 19624, 22385, 23680, 24530, 26048, 26983, 28544, 30976, 32560, 33004, 35680, 35816, 38720, 39248, 41255, 44770, 47360, 49060, 52096, 53966, 57088, 65120, 66008, 71360, 71632, 77440, 78496, 82510, 89540, 90761, 98120, 104192, 107932, 130240, 132016, 134915, 142720, 143264, 154880, 156992, 165020, 179080, 181522, 196240, 215864, 260480, 264032, 269830, 285440, 286528, 313984, 330040, 358160, 363044, 392480, 431728, 453805, 520960, 528064, 539660, 573056, 627968, 660080, 716320, 726088, 784960, 863456, 907610, 998371, 1056128, 1079320, 1146112, 1320160, 1432640, 1452176, 1569920, 1726912, 1815220, 1996742, 2112256, 2158640, 2640320, 2865280, 2904352, 3139840, 3453824, 3630440, 3993484, 4317280, 4991855, 5280640, 5730560, 5808704, 6907648, 7260880, 7986968, 8634560, 9983710, 10561280, 11617408, 14521760, 15973936, 17269120, 19967420, 23234816, 29043520, 31947872, 34538240, 39934840, 58087040, 63895744, 79869680, 116174080, 127791488, 159739360, 255582976, 319478720, 638957440, 1277914880]

約数ペア:

[(1, 1277914880), (2, 638957440), (4, 319478720), (5, 255582976), (8, 159739360), (10, 127791488), (11, 116174080), (16, 79869680), (20, 63895744), (22, 58087040), (32, 39934840), (37, 34538240), (40, 31947872), (44, 29043520), (55, 23234816), (64, 19967420), (74, 17269120), (80, 15973936), (88, 14521760), (110, 11617408), (121, 10561280), (128, 9983710), (148, 8634560), (160, 7986968), (176, 7260880), (185, 6907648), (220, 5808704), (223, 5730560), (242, 5280640), (256, 4991855), (296, 4317280), (320, 3993484), (352, 3630440), (370, 3453824), (407, 3139840), (440, 2904352), (446, 2865280), (484, 2640320), (592, 2158640), (605, 2112256), (640, 1996742), (704, 1815220), (740, 1726912), (814, 1569920), (880, 1452176), (892, 1432640), (968, 1320160), (1115, 1146112), (1184, 1079320), (1210, 1056128), (1280, 998371), (1408, 907610), (1480, 863456), (1628, 784960), (1760, 726088), (1784, 716320), (1936, 660080), (2035, 627968), (2230, 573056), (2368, 539660), (2420, 528064), (2453, 520960), (2816, 453805), (2960, 431728), (3256, 392480), (3520, 363044), (3568, 358160), (3872, 330040), (4070, 313984), (4460, 286528), (4477, 285440), (4736, 269830), (4840, 264032), (4906, 260480), (5920, 215864), (6512, 196240), (7040, 181522), (7136, 179080), (7744, 165020), (8140, 156992), (8251, 154880), (8920, 143264), (8954, 142720), (9472, 134915), (9680, 132016), (9812, 130240), (11840, 107932), (12265, 104192), (13024, 98120), (14080, 90761), (14272, 89540), (15488, 82510), (16280, 78496), (16502, 77440), (17840, 71632), (17908, 71360), (19360, 66008), (19624, 65120), (22385, 57088), (23680, 53966), (24530, 52096), (26048, 49060), (26983, 47360), (28544, 44770), (30976, 41255), (32560, 39248), (33004, 38720), (35680, 35816)]