64517640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1321}}^1$

素因数の和:1383

約数の個数: 128

約数和(自身を含む): 217019520

約数和(自身を除く): 152501880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 37, 40, 44, 55, 60, 66, 74, 88, 110, 111, 120, 132, 148, 165, 185, 220, 222, 264, 296, 330, 370, 407, 440, 444, 555, 660, 740, 814, 888, 1110, 1221, 1320, 1321, 1480, 1628, 2035, 2220, 2442, 2642, 3256, 3963, 4070, 4440, 4884, 5284, 6105, 6605, 7926, 8140, 9768, 10568, 12210, 13210, 14531, 15852, 16280, 19815, 24420, 26420, 29062, 31704, 39630, 43593, 48840, 48877, 52840, 58124, 72655, 79260, 87186, 97754, 116248, 145310, 146631, 158520, 174372, 195508, 217965, 244385, 290620, 293262, 348744, 391016, 435930, 488770, 537647, 581240, 586524, 733155, 871860, 977540, 1075294, 1173048, 1466310, 1612941, 1743720, 1955080, 2150588, 2688235, 2932620, 3225882, 4301176, 5376470, 5865240, 6451764, 8064705, 10752940, 12903528, 16129410, 21505880, 32258820, 64517640]

約数ペア:

[(1, 64517640), (2, 32258820), (3, 21505880), (4, 16129410), (5, 12903528), (6, 10752940), (8, 8064705), (10, 6451764), (11, 5865240), (12, 5376470), (15, 4301176), (20, 3225882), (22, 2932620), (24, 2688235), (30, 2150588), (33, 1955080), (37, 1743720), (40, 1612941), (44, 1466310), (55, 1173048), (60, 1075294), (66, 977540), (74, 871860), (88, 733155), (110, 586524), (111, 581240), (120, 537647), (132, 488770), (148, 435930), (165, 391016), (185, 348744), (220, 293262), (222, 290620), (264, 244385), (296, 217965), (330, 195508), (370, 174372), (407, 158520), (440, 146631), (444, 145310), (555, 116248), (660, 97754), (740, 87186), (814, 79260), (888, 72655), (1110, 58124), (1221, 52840), (1320, 48877), (1321, 48840), (1480, 43593), (1628, 39630), (2035, 31704), (2220, 29062), (2442, 26420), (2642, 24420), (3256, 19815), (3963, 16280), (4070, 15852), (4440, 14531), (4884, 13210), (5284, 12210), (6105, 10568), (6605, 9768), (7926, 8140)]