278161140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:542

約数の個数: 192

約数和(自身を含む): 898007040

約数和(自身を除く): 619845900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 31, 34, 38, 51, 57, 60, 62, 68, 76, 85, 93, 95, 102, 114, 124, 155, 170, 186, 190, 204, 228, 255, 285, 310, 323, 340, 372, 380, 463, 465, 510, 527, 570, 589, 620, 646, 926, 930, 969, 1020, 1054, 1140, 1178, 1292, 1389, 1581, 1615, 1767, 1852, 1860, 1938, 2108, 2315, 2356, 2635, 2778, 2945, 3162, 3230, 3534, 3876, 4630, 4845, 5270, 5556, 5890, 6324, 6460, 6945, 7068, 7871, 7905, 8797, 8835, 9260, 9690, 10013, 10540, 11780, 13890, 14353, 15742, 15810, 17594, 17670, 19380, 20026, 23613, 26391, 27780, 28706, 30039, 31484, 31620, 35188, 35340, 39355, 40052, 43059, 43985, 47226, 50065, 52782, 57412, 60078, 71765, 78710, 86118, 87970, 94452, 100130, 105564, 118065, 120156, 131955, 143530, 149549, 150195, 157420, 172236, 175940, 200260, 215295, 236130, 244001, 263910, 272707, 287060, 299098, 300390, 430590, 448647, 472260, 488002, 527820, 545414, 598196, 600780, 732003, 747745, 818121, 861180, 897294, 976004, 1090828, 1220005, 1363535, 1464006, 1495490, 1636242, 1794588, 2243235, 2440010, 2727070, 2928012, 2990980, 3272484, 3660015, 4090605, 4486470, 4636019, 4880020, 5454140, 7320030, 8181210, 8972940, 9272038, 13908057, 14640060, 16362420, 18544076, 23180095, 27816114, 46360190, 55632228, 69540285, 92720380, 139080570, 278161140]

約数ペア:

[(1, 278161140), (2, 139080570), (3, 92720380), (4, 69540285), (5, 55632228), (6, 46360190), (10, 27816114), (12, 23180095), (15, 18544076), (17, 16362420), (19, 14640060), (20, 13908057), (30, 9272038), (31, 8972940), (34, 8181210), (38, 7320030), (51, 5454140), (57, 4880020), (60, 4636019), (62, 4486470), (68, 4090605), (76, 3660015), (85, 3272484), (93, 2990980), (95, 2928012), (102, 2727070), (114, 2440010), (124, 2243235), (155, 1794588), (170, 1636242), (186, 1495490), (190, 1464006), (204, 1363535), (228, 1220005), (255, 1090828), (285, 976004), (310, 897294), (323, 861180), (340, 818121), (372, 747745), (380, 732003), (463, 600780), (465, 598196), (510, 545414), (527, 527820), (570, 488002), (589, 472260), (620, 448647), (646, 430590), (926, 300390), (930, 299098), (969, 287060), (1020, 272707), (1054, 263910), (1140, 244001), (1178, 236130), (1292, 215295), (1389, 200260), (1581, 175940), (1615, 172236), (1767, 157420), (1852, 150195), (1860, 149549), (1938, 143530), (2108, 131955), (2315, 120156), (2356, 118065), (2635, 105564), (2778, 100130), (2945, 94452), (3162, 87970), (3230, 86118), (3534, 78710), (3876, 71765), (4630, 60078), (4845, 57412), (5270, 52782), (5556, 50065), (5890, 47226), (6324, 43985), (6460, 43059), (6945, 40052), (7068, 39355), (7871, 35340), (7905, 35188), (8797, 31620), (8835, 31484), (9260, 30039), (9690, 28706), (10013, 27780), (10540, 26391), (11780, 23613), (13890, 20026), (14353, 19380), (15742, 17670), (15810, 17594)]