74765320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 206841600

約数和(自身を除く): 132076280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 113, 119, 136, 139, 140, 170, 226, 238, 278, 280, 340, 452, 476, 556, 565, 595, 680, 695, 791, 904, 952, 973, 1112, 1130, 1190, 1390, 1582, 1921, 1946, 2260, 2363, 2380, 2780, 3164, 3842, 3892, 3955, 4520, 4726, 4760, 4865, 5560, 6328, 7684, 7784, 7910, 9452, 9605, 9730, 11815, 13447, 15368, 15707, 15820, 16541, 18904, 19210, 19460, 23630, 26894, 31414, 31640, 33082, 38420, 38920, 47260, 53788, 62828, 66164, 67235, 76840, 78535, 82705, 94520, 107576, 109949, 125656, 132328, 134470, 157070, 165410, 219898, 267019, 268940, 314140, 330820, 439796, 534038, 537880, 549745, 628280, 661640, 879592, 1068076, 1099490, 1335095, 1869133, 2136152, 2198980, 2670190, 3738266, 4397960, 5340380, 7476532, 9345665, 10680760, 14953064, 18691330, 37382660, 74765320]

約数ペア:

[(1, 74765320), (2, 37382660), (4, 18691330), (5, 14953064), (7, 10680760), (8, 9345665), (10, 7476532), (14, 5340380), (17, 4397960), (20, 3738266), (28, 2670190), (34, 2198980), (35, 2136152), (40, 1869133), (56, 1335095), (68, 1099490), (70, 1068076), (85, 879592), (113, 661640), (119, 628280), (136, 549745), (139, 537880), (140, 534038), (170, 439796), (226, 330820), (238, 314140), (278, 268940), (280, 267019), (340, 219898), (452, 165410), (476, 157070), (556, 134470), (565, 132328), (595, 125656), (680, 109949), (695, 107576), (791, 94520), (904, 82705), (952, 78535), (973, 76840), (1112, 67235), (1130, 66164), (1190, 62828), (1390, 53788), (1582, 47260), (1921, 38920), (1946, 38420), (2260, 33082), (2363, 31640), (2380, 31414), (2780, 26894), (3164, 23630), (3842, 19460), (3892, 19210), (3955, 18904), (4520, 16541), (4726, 15820), (4760, 15707), (4865, 15368), (5560, 13447), (6328, 11815), (7684, 9730), (7784, 9605), (7910, 9452)]