21405727800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{263}}^1\times {\mathrm{439}}^1$

素因数の和:827

約数の個数: 288

約数和(自身を含む): 73027468800

約数和(自身を除く): 51621741000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 103, 120, 150, 180, 200, 206, 225, 263, 300, 309, 360, 412, 439, 450, 515, 526, 600, 618, 789, 824, 878, 900, 927, 1030, 1052, 1236, 1315, 1317, 1545, 1578, 1756, 1800, 1854, 2060, 2104, 2195, 2367, 2472, 2575, 2630, 2634, 3090, 3156, 3512, 3708, 3945, 3951, 4120, 4390, 4635, 4734, 5150, 5260, 5268, 6180, 6312, 6575, 6585, 7416, 7725, 7890, 7902, 8780, 9270, 9468, 10300, 10520, 10536, 10975, 11835, 12360, 13150, 13170, 15450, 15780, 15804, 17560, 18540, 18936, 19725, 19755, 20600, 21950, 23175, 23670, 26300, 26340, 27089, 30900, 31560, 31608, 32925, 37080, 39450, 39510, 43900, 45217, 46350, 47340, 52600, 52680, 54178, 59175, 61800, 65850, 78900, 79020, 81267, 87800, 90434, 92700, 94680, 98775, 108356, 115457, 118350, 131700, 135445, 135651, 157800, 158040, 162534, 180868, 185400, 197550, 216712, 226085, 230914, 236700, 243801, 263400, 270890, 271302, 325068, 346371, 361736, 395100, 406335, 406953, 452170, 461828, 473400, 487602, 541780, 542604, 577285, 650136, 677225, 678255, 692742, 790200, 812670, 813906, 904340, 923656, 975204, 1039113, 1083560, 1085208, 1130425, 1154570, 1219005, 1354450, 1356510, 1385484, 1625340, 1627812, 1731855, 1808680, 1950408, 2031675, 2034765, 2078226, 2260850, 2309140, 2438010, 2708900, 2713020, 2770968, 2886425, 3250680, 3255624, 3391275, 3463710, 4063350, 4069530, 4156452, 4521700, 4618280, 4876020, 5195565, 5417800, 5426040, 5772850, 6095025, 6782550, 6927420, 8126700, 8139060, 8312904, 8659275, 9043400, 9752040, 10173825, 10391130, 11545700, 11892071, 12190050, 13565100, 13854840, 16253400, 16278120, 17318550, 20347650, 20782260, 23091400, 23784142, 24380100, 25977825, 27130200, 34637100, 35676213, 40695300, 41564520, 47568284, 48760200, 51955650, 59460355, 69274200, 71352426, 81390600, 95136568, 103911300, 107028639, 118920710, 142704852, 178381065, 207822600, 214057278, 237841420, 285409704, 297301775, 356762130, 428114556, 475682840, 535143195, 594603550, 713524260, 856229112, 891905325, 1070286390, 1189207100, 1427048520, 1783810650, 2140572780, 2378414200, 2675715975, 3567621300, 4281145560, 5351431950, 7135242600, 10702863900, 21405727800]

約数ペア:

[(1, 21405727800), (2, 10702863900), (3, 7135242600), (4, 5351431950), (5, 4281145560), (6, 3567621300), (8, 2675715975), (9, 2378414200), (10, 2140572780), (12, 1783810650), (15, 1427048520), (18, 1189207100), (20, 1070286390), (24, 891905325), (25, 856229112), (30, 713524260), (36, 594603550), (40, 535143195), (45, 475682840), (50, 428114556), (60, 356762130), (72, 297301775), (75, 285409704), (90, 237841420), (100, 214057278), (103, 207822600), (120, 178381065), (150, 142704852), (180, 118920710), (200, 107028639), (206, 103911300), (225, 95136568), (263, 81390600), (300, 71352426), (309, 69274200), (360, 59460355), (412, 51955650), (439, 48760200), (450, 47568284), (515, 41564520), (526, 40695300), (600, 35676213), (618, 34637100), (789, 27130200), (824, 25977825), (878, 24380100), (900, 23784142), (927, 23091400), (1030, 20782260), (1052, 20347650), (1236, 17318550), (1315, 16278120), (1317, 16253400), (1545, 13854840), (1578, 13565100), (1756, 12190050), (1800, 11892071), (1854, 11545700), (2060, 10391130), (2104, 10173825), (2195, 9752040), (2367, 9043400), (2472, 8659275), (2575, 8312904), (2630, 8139060), (2634, 8126700), (3090, 6927420), (3156, 6782550), (3512, 6095025), (3708, 5772850), (3945, 5426040), (3951, 5417800), (4120, 5195565), (4390, 4876020), (4635, 4618280), (4734, 4521700), (5150, 4156452), (5260, 4069530), (5268, 4063350), (6180, 3463710), (6312, 3391275), (6575, 3255624), (6585, 3250680), (7416, 2886425), (7725, 2770968), (7890, 2713020), (7902, 2708900), (8780, 2438010), (9270, 2309140), (9468, 2260850), (10300, 2078226), (10520, 2034765), (10536, 2031675), (10975, 1950408), (11835, 1808680), (12360, 1731855), (13150, 1627812), (13170, 1625340), (15450, 1385484), (15780, 1356510), (15804, 1354450), (17560, 1219005), (18540, 1154570), (18936, 1130425), (19725, 1085208), (19755, 1083560), (20600, 1039113), (21950, 975204), (23175, 923656), (23670, 904340), (26300, 813906), (26340, 812670), (27089, 790200), (30900, 692742), (31560, 678255), (31608, 677225), (32925, 650136), (37080, 577285), (39450, 542604), (39510, 541780), (43900, 487602), (45217, 473400), (46350, 461828), (47340, 452170), (52600, 406953), (52680, 406335), (54178, 395100), (59175, 361736), (61800, 346371), (65850, 325068), (78900, 271302), (79020, 270890), (81267, 263400), (87800, 243801), (90434, 236700), (92700, 230914), (94680, 226085), (98775, 216712), (108356, 197550), (115457, 185400), (118350, 180868), (131700, 162534), (135445, 158040), (135651, 157800)]