66663520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{773}}^1$

素因数の和:813

約数の個数: 144

約数和(自身を含む): 200119248

約数和(自身を除く): 133455728

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 773, 784, 880, 980, 1078, 1120, 1232, 1540, 1546, 1568, 1760, 1960, 2156, 2464, 2695, 3080, 3092, 3865, 3920, 4312, 5390, 5411, 6160, 6184, 7730, 7840, 8503, 8624, 10780, 10822, 12320, 12368, 15460, 17006, 17248, 21560, 21644, 24736, 27055, 30920, 34012, 37877, 42515, 43120, 43288, 54110, 59521, 61840, 68024, 75754, 85030, 86240, 86576, 108220, 119042, 123680, 136048, 151508, 170060, 173152, 189385, 216440, 238084, 272096, 297605, 303016, 340120, 378770, 416647, 432880, 476168, 595210, 606032, 680240, 757540, 833294, 865760, 952336, 1190420, 1212064, 1360480, 1515080, 1666588, 1904672, 2083235, 2380840, 3030160, 3333176, 4166470, 4761680, 6060320, 6666352, 8332940, 9523360, 13332704, 16665880, 33331760, 66663520]

約数ペア:

[(1, 66663520), (2, 33331760), (4, 16665880), (5, 13332704), (7, 9523360), (8, 8332940), (10, 6666352), (11, 6060320), (14, 4761680), (16, 4166470), (20, 3333176), (22, 3030160), (28, 2380840), (32, 2083235), (35, 1904672), (40, 1666588), (44, 1515080), (49, 1360480), (55, 1212064), (56, 1190420), (70, 952336), (77, 865760), (80, 833294), (88, 757540), (98, 680240), (110, 606032), (112, 595210), (140, 476168), (154, 432880), (160, 416647), (176, 378770), (196, 340120), (220, 303016), (224, 297605), (245, 272096), (280, 238084), (308, 216440), (352, 189385), (385, 173152), (392, 170060), (440, 151508), (490, 136048), (539, 123680), (560, 119042), (616, 108220), (770, 86576), (773, 86240), (784, 85030), (880, 75754), (980, 68024), (1078, 61840), (1120, 59521), (1232, 54110), (1540, 43288), (1546, 43120), (1568, 42515), (1760, 37877), (1960, 34012), (2156, 30920), (2464, 27055), (2695, 24736), (3080, 21644), (3092, 21560), (3865, 17248), (3920, 17006), (4312, 15460), (5390, 12368), (5411, 12320), (6160, 10822), (6184, 10780), (7730, 8624), (7840, 8503)]