81021150

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 216

約数和(自身を含む): 267237360

約数和(自身を除く): 186216210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 25, 30, 34, 35, 42, 45, 50, 51, 63, 70, 75, 85, 89, 90, 102, 105, 119, 126, 150, 153, 170, 175, 178, 210, 225, 238, 255, 267, 289, 306, 315, 350, 357, 425, 445, 450, 510, 525, 534, 578, 595, 623, 630, 714, 765, 801, 850, 867, 890, 1050, 1071, 1190, 1246, 1275, 1335, 1445, 1513, 1530, 1575, 1602, 1734, 1785, 1869, 2023, 2142, 2225, 2550, 2601, 2670, 2890, 2975, 3026, 3115, 3150, 3570, 3738, 3825, 4005, 4046, 4335, 4450, 4539, 5202, 5355, 5607, 5950, 6069, 6230, 6675, 7225, 7565, 7650, 8010, 8670, 8925, 9078, 9345, 10115, 10591, 10710, 11214, 12138, 13005, 13350, 13617, 14450, 15130, 15575, 17850, 18207, 18690, 20025, 20230, 21182, 21675, 22695, 25721, 26010, 26775, 27234, 28035, 30345, 31150, 31773, 36414, 37825, 40050, 43350, 45390, 46725, 50575, 51442, 52955, 53550, 56070, 60690, 63546, 65025, 68085, 75650, 77163, 91035, 93450, 95319, 101150, 105910, 113475, 128605, 130050, 136170, 140175, 151725, 154326, 158865, 180047, 182070, 190638, 226950, 231489, 257210, 264775, 280350, 303450, 317730, 340425, 360094, 385815, 455175, 462978, 476595, 529550, 540141, 643025, 680850, 771630, 794325, 900235, 910350, 953190, 1080282, 1157445, 1286050, 1588650, 1620423, 1800470, 1929075, 2314890, 2382975, 2700705, 3240846, 3858150, 4501175, 4765950, 5401410, 5787225, 8102115, 9002350, 11574450, 13503525, 16204230, 27007050, 40510575, 81021150]

約数ペア:

[(1, 81021150), (2, 40510575), (3, 27007050), (5, 16204230), (6, 13503525), (7, 11574450), (9, 9002350), (10, 8102115), (14, 5787225), (15, 5401410), (17, 4765950), (18, 4501175), (21, 3858150), (25, 3240846), (30, 2700705), (34, 2382975), (35, 2314890), (42, 1929075), (45, 1800470), (50, 1620423), (51, 1588650), (63, 1286050), (70, 1157445), (75, 1080282), (85, 953190), (89, 910350), (90, 900235), (102, 794325), (105, 771630), (119, 680850), (126, 643025), (150, 540141), (153, 529550), (170, 476595), (175, 462978), (178, 455175), (210, 385815), (225, 360094), (238, 340425), (255, 317730), (267, 303450), (289, 280350), (306, 264775), (315, 257210), (350, 231489), (357, 226950), (425, 190638), (445, 182070), (450, 180047), (510, 158865), (525, 154326), (534, 151725), (578, 140175), (595, 136170), (623, 130050), (630, 128605), (714, 113475), (765, 105910), (801, 101150), (850, 95319), (867, 93450), (890, 91035), (1050, 77163), (1071, 75650), (1190, 68085), (1246, 65025), (1275, 63546), (1335, 60690), (1445, 56070), (1513, 53550), (1530, 52955), (1575, 51442), (1602, 50575), (1734, 46725), (1785, 45390), (1869, 43350), (2023, 40050), (2142, 37825), (2225, 36414), (2550, 31773), (2601, 31150), (2670, 30345), (2890, 28035), (2975, 27234), (3026, 26775), (3115, 26010), (3150, 25721), (3570, 22695), (3738, 21675), (3825, 21182), (4005, 20230), (4046, 20025), (4335, 18690), (4450, 18207), (4539, 17850), (5202, 15575), (5355, 15130), (5607, 14450), (5950, 13617), (6069, 13350), (6230, 13005), (6675, 12138), (7225, 11214), (7565, 10710), (7650, 10591), (8010, 10115), (8670, 9345), (8925, 9078)]