285515280

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{773}}^1$

素因数の和:820

約数の個数: 240

約数和(自身を含む): 1048057920

約数和(自身を除く): 762542640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 108, 114, 120, 135, 144, 152, 162, 171, 180, 190, 216, 228, 240, 243, 270, 285, 304, 324, 342, 360, 380, 405, 432, 456, 486, 513, 540, 570, 648, 684, 720, 760, 773, 810, 855, 912, 972, 1026, 1080, 1140, 1215, 1296, 1368, 1520, 1539, 1546, 1620, 1710, 1944, 2052, 2160, 2280, 2319, 2430, 2565, 2736, 3078, 3092, 3240, 3420, 3865, 3888, 4104, 4560, 4617, 4638, 4860, 5130, 6156, 6184, 6480, 6840, 6957, 7695, 7730, 8208, 9234, 9276, 9720, 10260, 11595, 12312, 12368, 13680, 13914, 14687, 15390, 15460, 18468, 18552, 19440, 20520, 20871, 23085, 23190, 24624, 27828, 29374, 30780, 30920, 34785, 36936, 37104, 41040, 41742, 44061, 46170, 46380, 55656, 58748, 61560, 61840, 62613, 69570, 73435, 73872, 83484, 88122, 92340, 92760, 104355, 111312, 117496, 123120, 125226, 132183, 139140, 146870, 166968, 176244, 184680, 185520, 187839, 208710, 220305, 234992, 250452, 264366, 278280, 293740, 313065, 333936, 352488, 369360, 375678, 396549, 417420, 440610, 500904, 528732, 556560, 587480, 626130, 660915, 704976, 751356, 793098, 834840, 881220, 939195, 1001808, 1057464, 1174960, 1189647, 1252260, 1321830, 1502712, 1586196, 1669680, 1762440, 1878390, 1982745, 2114928, 2379294, 2504520, 2643660, 3005424, 3172392, 3524880, 3568941, 3756780, 3965490, 4758588, 5009040, 5287320, 5948235, 6344784, 7137882, 7513560, 7930980, 9517176, 10574640, 11896470, 14275764, 15027120, 15861960, 17844705, 19034352, 23792940, 28551528, 31723920, 35689410, 47585880, 57103056, 71378820, 95171760, 142757640, 285515280]

約数ペア:

[(1, 285515280), (2, 142757640), (3, 95171760), (4, 71378820), (5, 57103056), (6, 47585880), (8, 35689410), (9, 31723920), (10, 28551528), (12, 23792940), (15, 19034352), (16, 17844705), (18, 15861960), (19, 15027120), (20, 14275764), (24, 11896470), (27, 10574640), (30, 9517176), (36, 7930980), (38, 7513560), (40, 7137882), (45, 6344784), (48, 5948235), (54, 5287320), (57, 5009040), (60, 4758588), (72, 3965490), (76, 3756780), (80, 3568941), (81, 3524880), (90, 3172392), (95, 3005424), (108, 2643660), (114, 2504520), (120, 2379294), (135, 2114928), (144, 1982745), (152, 1878390), (162, 1762440), (171, 1669680), (180, 1586196), (190, 1502712), (216, 1321830), (228, 1252260), (240, 1189647), (243, 1174960), (270, 1057464), (285, 1001808), (304, 939195), (324, 881220), (342, 834840), (360, 793098), (380, 751356), (405, 704976), (432, 660915), (456, 626130), (486, 587480), (513, 556560), (540, 528732), (570, 500904), (648, 440610), (684, 417420), (720, 396549), (760, 375678), (773, 369360), (810, 352488), (855, 333936), (912, 313065), (972, 293740), (1026, 278280), (1080, 264366), (1140, 250452), (1215, 234992), (1296, 220305), (1368, 208710), (1520, 187839), (1539, 185520), (1546, 184680), (1620, 176244), (1710, 166968), (1944, 146870), (2052, 139140), (2160, 132183), (2280, 125226), (2319, 123120), (2430, 117496), (2565, 111312), (2736, 104355), (3078, 92760), (3092, 92340), (3240, 88122), (3420, 83484), (3865, 73872), (3888, 73435), (4104, 69570), (4560, 62613), (4617, 61840), (4638, 61560), (4860, 58748), (5130, 55656), (6156, 46380), (6184, 46170), (6480, 44061), (6840, 41742), (6957, 41040), (7695, 37104), (7730, 36936), (8208, 34785), (9234, 30920), (9276, 30780), (9720, 29374), (10260, 27828), (11595, 24624), (12312, 23190), (12368, 23085), (13680, 20871), (13914, 20520), (14687, 19440), (15390, 18552), (15460, 18468)]