64271200

素因数分解:

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

素因数の和:549

約数の個数: 144

約数和(自身を含む): 187488000

約数和(自身を除く): 123216800

約数列:

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

約数ペア:

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