128542400

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:551

約数の個数: 168

約数和(自身を含む): 377952000

約数和(自身を除く): 249409600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 64, 70, 80, 92, 100, 112, 115, 140, 160, 161, 175, 184, 200, 224, 230, 280, 320, 322, 350, 368, 400, 448, 460, 499, 560, 575, 644, 700, 736, 800, 805, 920, 998, 1120, 1150, 1288, 1400, 1472, 1600, 1610, 1840, 1996, 2240, 2300, 2495, 2576, 2800, 3220, 3493, 3680, 3992, 4025, 4600, 4990, 5152, 5600, 6440, 6986, 7360, 7984, 8050, 9200, 9980, 10304, 11200, 11477, 12475, 12880, 13972, 15968, 16100, 17465, 18400, 19960, 22954, 24950, 25760, 27944, 31936, 32200, 34930, 36800, 39920, 45908, 49900, 51520, 55888, 57385, 64400, 69860, 79840, 80339, 87325, 91816, 99800, 111776, 114770, 128800, 139720, 159680, 160678, 174650, 183632, 199600, 223552, 229540, 257600, 279440, 286925, 321356, 349300, 367264, 399200, 401695, 459080, 558880, 573850, 642712, 698600, 734528, 798400, 803390, 918160, 1117760, 1147700, 1285424, 1397200, 1606780, 1836320, 2008475, 2295400, 2570848, 2794400, 3213560, 3672640, 4016950, 4590800, 5141696, 5588800, 6427120, 8033900, 9181600, 12854240, 16067800, 18363200, 25708480, 32135600, 64271200, 128542400]

約数ペア:

[(1, 128542400), (2, 64271200), (4, 32135600), (5, 25708480), (7, 18363200), (8, 16067800), (10, 12854240), (14, 9181600), (16, 8033900), (20, 6427120), (23, 5588800), (25, 5141696), (28, 4590800), (32, 4016950), (35, 3672640), (40, 3213560), (46, 2794400), (50, 2570848), (56, 2295400), (64, 2008475), (70, 1836320), (80, 1606780), (92, 1397200), (100, 1285424), (112, 1147700), (115, 1117760), (140, 918160), (160, 803390), (161, 798400), (175, 734528), (184, 698600), (200, 642712), (224, 573850), (230, 558880), (280, 459080), (320, 401695), (322, 399200), (350, 367264), (368, 349300), (400, 321356), (448, 286925), (460, 279440), (499, 257600), (560, 229540), (575, 223552), (644, 199600), (700, 183632), (736, 174650), (800, 160678), (805, 159680), (920, 139720), (998, 128800), (1120, 114770), (1150, 111776), (1288, 99800), (1400, 91816), (1472, 87325), (1600, 80339), (1610, 79840), (1840, 69860), (1996, 64400), (2240, 57385), (2300, 55888), (2495, 51520), (2576, 49900), (2800, 45908), (3220, 39920), (3493, 36800), (3680, 34930), (3992, 32200), (4025, 31936), (4600, 27944), (4990, 25760), (5152, 24950), (5600, 22954), (6440, 19960), (6986, 18400), (7360, 17465), (7984, 16100), (8050, 15968), (9200, 13972), (9980, 12880), (10304, 12475), (11200, 11477)]