15389920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:193

約数の個数: 144

約数和(自身を含む): 45849888

約数和(自身を除く): 30459968

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 151, 160, 182, 196, 208, 224, 245, 260, 280, 302, 364, 392, 416, 455, 490, 520, 560, 604, 637, 728, 755, 784, 910, 980, 1040, 1057, 1120, 1208, 1274, 1456, 1510, 1568, 1820, 1960, 1963, 2080, 2114, 2416, 2548, 2912, 3020, 3185, 3640, 3920, 3926, 4228, 4832, 5096, 5285, 6040, 6370, 7280, 7399, 7840, 7852, 8456, 9815, 10192, 10570, 12080, 12740, 13741, 14560, 14798, 15704, 16912, 19630, 20384, 21140, 24160, 25480, 27482, 29596, 31408, 33824, 36995, 39260, 42280, 50960, 54964, 59192, 62816, 68705, 73990, 78520, 84560, 96187, 101920, 109928, 118384, 137410, 147980, 157040, 169120, 192374, 219856, 236768, 274820, 295960, 314080, 384748, 439712, 480935, 549640, 591920, 769496, 961870, 1099280, 1183840, 1538992, 1923740, 2198560, 3077984, 3847480, 7694960, 15389920]

約数ペア:

[(1, 15389920), (2, 7694960), (4, 3847480), (5, 3077984), (7, 2198560), (8, 1923740), (10, 1538992), (13, 1183840), (14, 1099280), (16, 961870), (20, 769496), (26, 591920), (28, 549640), (32, 480935), (35, 439712), (40, 384748), (49, 314080), (52, 295960), (56, 274820), (65, 236768), (70, 219856), (80, 192374), (91, 169120), (98, 157040), (104, 147980), (112, 137410), (130, 118384), (140, 109928), (151, 101920), (160, 96187), (182, 84560), (196, 78520), (208, 73990), (224, 68705), (245, 62816), (260, 59192), (280, 54964), (302, 50960), (364, 42280), (392, 39260), (416, 36995), (455, 33824), (490, 31408), (520, 29596), (560, 27482), (604, 25480), (637, 24160), (728, 21140), (755, 20384), (784, 19630), (910, 16912), (980, 15704), (1040, 14798), (1057, 14560), (1120, 13741), (1208, 12740), (1274, 12080), (1456, 10570), (1510, 10192), (1568, 9815), (1820, 8456), (1960, 7852), (1963, 7840), (2080, 7399), (2114, 7280), (2416, 6370), (2548, 6040), (2912, 5285), (3020, 5096), (3185, 4832), (3640, 4228), (3920, 3926)]