21112860960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{2347}}^1\times {\mathrm{6247}}^1$

素因数の和:8615

約数の個数: 144

約数和(自身を含む): 72089873856

約数和(自身を除く): 50977012896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 2347, 4694, 6247, 7041, 9388, 11735, 12494, 14082, 18741, 18776, 21123, 23470, 24988, 28164, 31235, 35205, 37482, 37552, 42246, 46940, 49976, 56223, 56328, 62470, 70410, 74964, 75104, 84492, 93705, 93880, 99952, 105615, 112446, 112656, 124940, 140820, 149928, 168984, 187410, 187760, 199904, 211230, 224892, 225312, 249880, 281115, 281640, 299856, 337968, 374820, 375520, 422460, 449784, 499760, 562230, 563280, 599712, 675936, 749640, 844920, 899568, 999520, 1124460, 1126560, 1499280, 1689840, 1799136, 2248920, 2998560, 3379680, 4497840, 8995680, 14661709, 29323418, 43985127, 58646836, 73308545, 87970254, 117293672, 131955381, 146617090, 175940508, 219925635, 234587344, 263910762, 293234180, 351881016, 439851270, 469174688, 527821524, 586468360, 659776905, 703762032, 879702540, 1055643048, 1172936720, 1319553810, 1407524064, 1759405080, 2111286096, 2345873440, 2639107620, 3518810160, 4222572192, 5278215240, 7037620320, 10556430480, 21112860960]

約数ペア:

[(1, 21112860960), (2, 10556430480), (3, 7037620320), (4, 5278215240), (5, 4222572192), (6, 3518810160), (8, 2639107620), (9, 2345873440), (10, 2111286096), (12, 1759405080), (15, 1407524064), (16, 1319553810), (18, 1172936720), (20, 1055643048), (24, 879702540), (30, 703762032), (32, 659776905), (36, 586468360), (40, 527821524), (45, 469174688), (48, 439851270), (60, 351881016), (72, 293234180), (80, 263910762), (90, 234587344), (96, 219925635), (120, 175940508), (144, 146617090), (160, 131955381), (180, 117293672), (240, 87970254), (288, 73308545), (360, 58646836), (480, 43985127), (720, 29323418), (1440, 14661709), (2347, 8995680), (4694, 4497840), (6247, 3379680), (7041, 2998560), (9388, 2248920), (11735, 1799136), (12494, 1689840), (14082, 1499280), (18741, 1126560), (18776, 1124460), (21123, 999520), (23470, 899568), (24988, 844920), (28164, 749640), (31235, 675936), (35205, 599712), (37482, 563280), (37552, 562230), (42246, 499760), (46940, 449784), (49976, 422460), (56223, 375520), (56328, 374820), (62470, 337968), (70410, 299856), (74964, 281640), (75104, 281115), (84492, 249880), (93705, 225312), (93880, 224892), (99952, 211230), (105615, 199904), (112446, 187760), (112656, 187410), (124940, 168984), (140820, 149928)]