201631920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{467}}^1$

素因数の和:747

約数の個数: 160

約数和(自身を含む): 718668288

約数和(自身を除く): 517036368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 257, 280, 336, 420, 467, 514, 560, 771, 840, 934, 1028, 1285, 1401, 1542, 1680, 1799, 1868, 2056, 2335, 2570, 2802, 3084, 3269, 3598, 3736, 3855, 4112, 4670, 5140, 5397, 5604, 6168, 6538, 7005, 7196, 7472, 7710, 8995, 9340, 9807, 10280, 10794, 11208, 12336, 13076, 14010, 14392, 15420, 16345, 17990, 18680, 19614, 20560, 21588, 22416, 26152, 26985, 28020, 28784, 30840, 32690, 35980, 37360, 39228, 43176, 49035, 52304, 53970, 56040, 61680, 65380, 71960, 78456, 86352, 98070, 107940, 112080, 120019, 130760, 143920, 156912, 196140, 215880, 240038, 261520, 360057, 392280, 431760, 480076, 600095, 720114, 784560, 840133, 960152, 1200190, 1440228, 1680266, 1800285, 1920304, 2400380, 2520399, 2880456, 3360532, 3600570, 4200665, 4800760, 5040798, 5760912, 6721064, 7201140, 8401330, 9601520, 10081596, 12601995, 13442128, 14402280, 16802660, 20163192, 25203990, 28804560, 33605320, 40326384, 50407980, 67210640, 100815960, 201631920]

約数ペア:

[(1, 201631920), (2, 100815960), (3, 67210640), (4, 50407980), (5, 40326384), (6, 33605320), (7, 28804560), (8, 25203990), (10, 20163192), (12, 16802660), (14, 14402280), (15, 13442128), (16, 12601995), (20, 10081596), (21, 9601520), (24, 8401330), (28, 7201140), (30, 6721064), (35, 5760912), (40, 5040798), (42, 4800760), (48, 4200665), (56, 3600570), (60, 3360532), (70, 2880456), (80, 2520399), (84, 2400380), (105, 1920304), (112, 1800285), (120, 1680266), (140, 1440228), (168, 1200190), (210, 960152), (240, 840133), (257, 784560), (280, 720114), (336, 600095), (420, 480076), (467, 431760), (514, 392280), (560, 360057), (771, 261520), (840, 240038), (934, 215880), (1028, 196140), (1285, 156912), (1401, 143920), (1542, 130760), (1680, 120019), (1799, 112080), (1868, 107940), (2056, 98070), (2335, 86352), (2570, 78456), (2802, 71960), (3084, 65380), (3269, 61680), (3598, 56040), (3736, 53970), (3855, 52304), (4112, 49035), (4670, 43176), (5140, 39228), (5397, 37360), (5604, 35980), (6168, 32690), (6538, 30840), (7005, 28784), (7196, 28020), (7472, 26985), (7710, 26152), (8995, 22416), (9340, 21588), (9807, 20560), (10280, 19614), (10794, 18680), (11208, 17990), (12336, 16345), (13076, 15420), (14010, 14392)]