28064520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:420

約数の個数: 192

約数和(自身を含む): 105019200

約数和(自身を除く): 76954680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 55, 57, 60, 66, 72, 76, 88, 90, 95, 99, 110, 114, 120, 132, 152, 165, 171, 180, 190, 198, 209, 220, 228, 264, 285, 330, 342, 360, 373, 380, 396, 418, 440, 456, 495, 570, 627, 660, 684, 746, 760, 792, 836, 855, 990, 1045, 1119, 1140, 1254, 1320, 1368, 1492, 1672, 1710, 1865, 1881, 1980, 2090, 2238, 2280, 2508, 2984, 3135, 3357, 3420, 3730, 3762, 3960, 4103, 4180, 4476, 5016, 5595, 6270, 6714, 6840, 7087, 7460, 7524, 8206, 8360, 8952, 9405, 11190, 12309, 12540, 13428, 14174, 14920, 15048, 16412, 16785, 18810, 20515, 21261, 22380, 24618, 25080, 26856, 28348, 32824, 33570, 35435, 36927, 37620, 41030, 42522, 44760, 49236, 56696, 61545, 63783, 67140, 70870, 73854, 75240, 77957, 82060, 85044, 98472, 106305, 123090, 127566, 134280, 141740, 147708, 155914, 164120, 170088, 184635, 212610, 233871, 246180, 255132, 283480, 295416, 311828, 318915, 369270, 389785, 425220, 467742, 492360, 510264, 623656, 637830, 701613, 738540, 779570, 850440, 935484, 1169355, 1275660, 1403226, 1477080, 1559140, 1870968, 2338710, 2551320, 2806452, 3118280, 3508065, 4677420, 5612904, 7016130, 9354840, 14032260, 28064520]

約数ペア:

[(1, 28064520), (2, 14032260), (3, 9354840), (4, 7016130), (5, 5612904), (6, 4677420), (8, 3508065), (9, 3118280), (10, 2806452), (11, 2551320), (12, 2338710), (15, 1870968), (18, 1559140), (19, 1477080), (20, 1403226), (22, 1275660), (24, 1169355), (30, 935484), (33, 850440), (36, 779570), (38, 738540), (40, 701613), (44, 637830), (45, 623656), (55, 510264), (57, 492360), (60, 467742), (66, 425220), (72, 389785), (76, 369270), (88, 318915), (90, 311828), (95, 295416), (99, 283480), (110, 255132), (114, 246180), (120, 233871), (132, 212610), (152, 184635), (165, 170088), (171, 164120), (180, 155914), (190, 147708), (198, 141740), (209, 134280), (220, 127566), (228, 123090), (264, 106305), (285, 98472), (330, 85044), (342, 82060), (360, 77957), (373, 75240), (380, 73854), (396, 70870), (418, 67140), (440, 63783), (456, 61545), (495, 56696), (570, 49236), (627, 44760), (660, 42522), (684, 41030), (746, 37620), (760, 36927), (792, 35435), (836, 33570), (855, 32824), (990, 28348), (1045, 26856), (1119, 25080), (1140, 24618), (1254, 22380), (1320, 21261), (1368, 20515), (1492, 18810), (1672, 16785), (1710, 16412), (1865, 15048), (1881, 14920), (1980, 14174), (2090, 13428), (2238, 12540), (2280, 12309), (2508, 11190), (2984, 9405), (3135, 8952), (3357, 8360), (3420, 8206), (3730, 7524), (3762, 7460), (3960, 7087), (4103, 6840), (4180, 6714), (4476, 6270), (5016, 5595)]