15831720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 53654400

約数和(自身を除く): 37822680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 107, 108, 120, 135, 137, 180, 214, 216, 270, 274, 321, 360, 411, 428, 535, 540, 548, 642, 685, 822, 856, 963, 1070, 1080, 1096, 1233, 1284, 1370, 1605, 1644, 1926, 2055, 2140, 2466, 2568, 2740, 2889, 3210, 3288, 3699, 3852, 4110, 4280, 4815, 4932, 5480, 5778, 6165, 6420, 7398, 7704, 8220, 9630, 9864, 11556, 12330, 12840, 14445, 14659, 14796, 16440, 18495, 19260, 23112, 24660, 28890, 29318, 29592, 36990, 38520, 43977, 49320, 57780, 58636, 73295, 73980, 87954, 115560, 117272, 131931, 146590, 147960, 175908, 219885, 263862, 293180, 351816, 395793, 439770, 527724, 586360, 659655, 791586, 879540, 1055448, 1319310, 1583172, 1759080, 1978965, 2638620, 3166344, 3957930, 5277240, 7915860, 15831720]

約数ペア:

[(1, 15831720), (2, 7915860), (3, 5277240), (4, 3957930), (5, 3166344), (6, 2638620), (8, 1978965), (9, 1759080), (10, 1583172), (12, 1319310), (15, 1055448), (18, 879540), (20, 791586), (24, 659655), (27, 586360), (30, 527724), (36, 439770), (40, 395793), (45, 351816), (54, 293180), (60, 263862), (72, 219885), (90, 175908), (107, 147960), (108, 146590), (120, 131931), (135, 117272), (137, 115560), (180, 87954), (214, 73980), (216, 73295), (270, 58636), (274, 57780), (321, 49320), (360, 43977), (411, 38520), (428, 36990), (535, 29592), (540, 29318), (548, 28890), (642, 24660), (685, 23112), (822, 19260), (856, 18495), (963, 16440), (1070, 14796), (1080, 14659), (1096, 14445), (1233, 12840), (1284, 12330), (1370, 11556), (1605, 9864), (1644, 9630), (1926, 8220), (2055, 7704), (2140, 7398), (2466, 6420), (2568, 6165), (2740, 5778), (2889, 5480), (3210, 4932), (3288, 4815), (3699, 4280), (3852, 4110)]