331389240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30347}}^1$

素因数の和:30381

約数の個数: 128

約数和(自身を含む): 1223631360

約数和(自身を除く): 892242120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 30347, 60694, 91041, 121388, 151735, 182082, 212429, 242776, 303470, 364164, 394511, 424858, 455205, 606940, 637287, 728328, 789022, 849716, 910410, 1062145, 1183533, 1213880, 1274574, 1578044, 1699432, 1820820, 1972555, 2124290, 2367066, 2549148, 2761577, 3156088, 3186435, 3641640, 3945110, 4248580, 4734132, 5098296, 5523154, 5917665, 6372870, 7890220, 8284731, 8497160, 9468264, 11046308, 11835330, 12745740, 13807885, 15780440, 16569462, 22092616, 23670660, 25491480, 27615770, 33138924, 41423655, 47341320, 55231540, 66277848, 82847310, 110463080, 165694620, 331389240]

約数ペア:

[(1, 331389240), (2, 165694620), (3, 110463080), (4, 82847310), (5, 66277848), (6, 55231540), (7, 47341320), (8, 41423655), (10, 33138924), (12, 27615770), (13, 25491480), (14, 23670660), (15, 22092616), (20, 16569462), (21, 15780440), (24, 13807885), (26, 12745740), (28, 11835330), (30, 11046308), (35, 9468264), (39, 8497160), (40, 8284731), (42, 7890220), (52, 6372870), (56, 5917665), (60, 5523154), (65, 5098296), (70, 4734132), (78, 4248580), (84, 3945110), (91, 3641640), (104, 3186435), (105, 3156088), (120, 2761577), (130, 2549148), (140, 2367066), (156, 2124290), (168, 1972555), (182, 1820820), (195, 1699432), (210, 1578044), (260, 1274574), (273, 1213880), (280, 1183533), (312, 1062145), (364, 910410), (390, 849716), (420, 789022), (455, 728328), (520, 637287), (546, 606940), (728, 455205), (780, 424858), (840, 394511), (910, 364164), (1092, 303470), (1365, 242776), (1560, 212429), (1820, 182082), (2184, 151735), (2730, 121388), (3640, 91041), (5460, 60694), (10920, 30347)]