287457840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21013}}^1$

素因数の和:21051

約数の個数: 120

約数和(自身を含む): 1016237040

約数和(自身を除く): 728779200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 21013, 42026, 63039, 84052, 105065, 126078, 168104, 189117, 210130, 252156, 315195, 336208, 378234, 399247, 420260, 504312, 630390, 756468, 798494, 840520, 945585, 1008624, 1197741, 1260780, 1512936, 1596988, 1681040, 1891170, 1996235, 2395482, 2521560, 3025872, 3193976, 3593223, 3782340, 3992470, 4790964, 5043120, 5988705, 6387952, 7186446, 7564680, 7984940, 9581928, 11977410, 14372892, 15129360, 15969880, 17966115, 19163856, 23954820, 28745784, 31939760, 35932230, 47909640, 57491568, 71864460, 95819280, 143728920, 287457840]

約数ペア:

[(1, 287457840), (2, 143728920), (3, 95819280), (4, 71864460), (5, 57491568), (6, 47909640), (8, 35932230), (9, 31939760), (10, 28745784), (12, 23954820), (15, 19163856), (16, 17966115), (18, 15969880), (19, 15129360), (20, 14372892), (24, 11977410), (30, 9581928), (36, 7984940), (38, 7564680), (40, 7186446), (45, 6387952), (48, 5988705), (57, 5043120), (60, 4790964), (72, 3992470), (76, 3782340), (80, 3593223), (90, 3193976), (95, 3025872), (114, 2521560), (120, 2395482), (144, 1996235), (152, 1891170), (171, 1681040), (180, 1596988), (190, 1512936), (228, 1260780), (240, 1197741), (285, 1008624), (304, 945585), (342, 840520), (360, 798494), (380, 756468), (456, 630390), (570, 504312), (684, 420260), (720, 399247), (760, 378234), (855, 336208), (912, 315195), (1140, 252156), (1368, 210130), (1520, 189117), (1710, 168104), (2280, 126078), (2736, 105065), (3420, 84052), (4560, 63039), (6840, 42026), (13680, 21013)]