64211840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1303}}^1$

素因数の和:1340

約数の個数: 128

約数和(自身を含む): 191531520

約数和(自身を除く): 127319680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1303, 1408, 1540, 1760, 2240, 2464, 2606, 3080, 3520, 4480, 4928, 5212, 6160, 6515, 7040, 9121, 9856, 10424, 12320, 13030, 14333, 18242, 20848, 24640, 26060, 28666, 36484, 41696, 45605, 49280, 52120, 57332, 71665, 72968, 83392, 91210, 100331, 104240, 114664, 143330, 145936, 166784, 182420, 200662, 208480, 229328, 286660, 291872, 364840, 401324, 416960, 458656, 501655, 573320, 583744, 729680, 802648, 833920, 917312, 1003310, 1146640, 1167488, 1459360, 1605296, 1834624, 2006620, 2293280, 2918720, 3210592, 4013240, 4586560, 5837440, 6421184, 8026480, 9173120, 12842368, 16052960, 32105920, 64211840]

約数ペア:

[(1, 64211840), (2, 32105920), (4, 16052960), (5, 12842368), (7, 9173120), (8, 8026480), (10, 6421184), (11, 5837440), (14, 4586560), (16, 4013240), (20, 3210592), (22, 2918720), (28, 2293280), (32, 2006620), (35, 1834624), (40, 1605296), (44, 1459360), (55, 1167488), (56, 1146640), (64, 1003310), (70, 917312), (77, 833920), (80, 802648), (88, 729680), (110, 583744), (112, 573320), (128, 501655), (140, 458656), (154, 416960), (160, 401324), (176, 364840), (220, 291872), (224, 286660), (280, 229328), (308, 208480), (320, 200662), (352, 182420), (385, 166784), (440, 145936), (448, 143330), (560, 114664), (616, 104240), (640, 100331), (704, 91210), (770, 83392), (880, 72968), (896, 71665), (1120, 57332), (1232, 52120), (1303, 49280), (1408, 45605), (1540, 41696), (1760, 36484), (2240, 28666), (2464, 26060), (2606, 24640), (3080, 20848), (3520, 18242), (4480, 14333), (4928, 13030), (5212, 12320), (6160, 10424), (6515, 9856), (7040, 9121)]