1311273920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1289}}^1$

素因数の和:1351

約数の個数: 168

約数和(自身を含む): 3621298320

約数和(自身を除く): 2310024400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 289, 320, 340, 352, 374, 440, 544, 578, 680, 704, 748, 880, 935, 1088, 1156, 1289, 1360, 1445, 1496, 1760, 1870, 2312, 2578, 2720, 2890, 2992, 3179, 3520, 3740, 4624, 5156, 5440, 5780, 5984, 6358, 6445, 7480, 9248, 10312, 11560, 11968, 12716, 12890, 14179, 14960, 15895, 18496, 20624, 21913, 23120, 25432, 25780, 28358, 29920, 31790, 41248, 43826, 46240, 50864, 51560, 56716, 59840, 63580, 70895, 82496, 87652, 92480, 101728, 103120, 109565, 113432, 127160, 141790, 175304, 203456, 206240, 219130, 226864, 241043, 254320, 283580, 350608, 372521, 412480, 438260, 453728, 482086, 508640, 567160, 701216, 745042, 876520, 907456, 964172, 1017280, 1134320, 1205215, 1402432, 1490084, 1753040, 1862605, 1928344, 2268640, 2410430, 2980168, 3506080, 3725210, 3856688, 4097731, 4537280, 4820860, 5960336, 7012160, 7450420, 7713376, 8195462, 9641720, 11920672, 14900840, 15426752, 16390924, 19283440, 20488655, 23841344, 29801680, 32781848, 38566880, 40977310, 59603360, 65563696, 77133760, 81954620, 119206720, 131127392, 163909240, 262254784, 327818480, 655636960, 1311273920]

約数ペア:

[(1, 1311273920), (2, 655636960), (4, 327818480), (5, 262254784), (8, 163909240), (10, 131127392), (11, 119206720), (16, 81954620), (17, 77133760), (20, 65563696), (22, 59603360), (32, 40977310), (34, 38566880), (40, 32781848), (44, 29801680), (55, 23841344), (64, 20488655), (68, 19283440), (80, 16390924), (85, 15426752), (88, 14900840), (110, 11920672), (136, 9641720), (160, 8195462), (170, 7713376), (176, 7450420), (187, 7012160), (220, 5960336), (272, 4820860), (289, 4537280), (320, 4097731), (340, 3856688), (352, 3725210), (374, 3506080), (440, 2980168), (544, 2410430), (578, 2268640), (680, 1928344), (704, 1862605), (748, 1753040), (880, 1490084), (935, 1402432), (1088, 1205215), (1156, 1134320), (1289, 1017280), (1360, 964172), (1445, 907456), (1496, 876520), (1760, 745042), (1870, 701216), (2312, 567160), (2578, 508640), (2720, 482086), (2890, 453728), (2992, 438260), (3179, 412480), (3520, 372521), (3740, 350608), (4624, 283580), (5156, 254320), (5440, 241043), (5780, 226864), (5984, 219130), (6358, 206240), (6445, 203456), (7480, 175304), (9248, 141790), (10312, 127160), (11560, 113432), (11968, 109565), (12716, 103120), (12890, 101728), (14179, 92480), (14960, 87652), (15895, 82496), (18496, 70895), (20624, 63580), (21913, 59840), (23120, 56716), (25432, 51560), (25780, 50864), (28358, 46240), (29920, 43826), (31790, 41248)]