122586880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 324505440

約数和(自身を除く): 201918560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 64, 65, 80, 104, 106, 128, 130, 139, 160, 208, 212, 256, 260, 265, 278, 320, 416, 424, 520, 530, 556, 640, 689, 695, 832, 848, 1040, 1060, 1112, 1280, 1378, 1390, 1664, 1696, 1807, 2080, 2120, 2224, 2756, 2780, 3328, 3392, 3445, 3614, 4160, 4240, 4448, 5512, 5560, 6784, 6890, 7228, 7367, 8320, 8480, 8896, 9035, 11024, 11120, 13568, 13780, 14456, 14734, 16640, 16960, 17792, 18070, 22048, 22240, 27560, 28912, 29468, 33920, 35584, 36140, 36835, 44096, 44480, 55120, 57824, 58936, 67840, 72280, 73670, 88192, 88960, 95771, 110240, 115648, 117872, 144560, 147340, 176384, 177920, 191542, 220480, 231296, 235744, 289120, 294680, 383084, 440960, 462592, 471488, 478855, 578240, 589360, 766168, 881920, 942976, 957710, 1156480, 1178720, 1532336, 1885952, 1915420, 2312960, 2357440, 3064672, 3830840, 4714880, 6129344, 7661680, 9429760, 12258688, 15323360, 24517376, 30646720, 61293440, 122586880]

約数ペア:

[(1, 122586880), (2, 61293440), (4, 30646720), (5, 24517376), (8, 15323360), (10, 12258688), (13, 9429760), (16, 7661680), (20, 6129344), (26, 4714880), (32, 3830840), (40, 3064672), (52, 2357440), (53, 2312960), (64, 1915420), (65, 1885952), (80, 1532336), (104, 1178720), (106, 1156480), (128, 957710), (130, 942976), (139, 881920), (160, 766168), (208, 589360), (212, 578240), (256, 478855), (260, 471488), (265, 462592), (278, 440960), (320, 383084), (416, 294680), (424, 289120), (520, 235744), (530, 231296), (556, 220480), (640, 191542), (689, 177920), (695, 176384), (832, 147340), (848, 144560), (1040, 117872), (1060, 115648), (1112, 110240), (1280, 95771), (1378, 88960), (1390, 88192), (1664, 73670), (1696, 72280), (1807, 67840), (2080, 58936), (2120, 57824), (2224, 55120), (2756, 44480), (2780, 44096), (3328, 36835), (3392, 36140), (3445, 35584), (3614, 33920), (4160, 29468), (4240, 28912), (4448, 27560), (5512, 22240), (5560, 22048), (6784, 18070), (6890, 17792), (7228, 16960), (7367, 16640), (8320, 14734), (8480, 14456), (8896, 13780), (9035, 13568), (11024, 11120)]