20121590700

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{251}}^1\times {\mathrm{3299}}^1$

素因数の和:3579

約数の個数: 216

約数和(自身を含む): 65686420800

約数和(自身を除く): 45564830100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 243, 251, 270, 300, 324, 405, 450, 486, 502, 540, 675, 753, 810, 900, 972, 1004, 1215, 1255, 1350, 1506, 1620, 2025, 2259, 2430, 2510, 2700, 3012, 3299, 3765, 4050, 4518, 4860, 5020, 6075, 6275, 6598, 6777, 7530, 8100, 9036, 9897, 11295, 12150, 12550, 13196, 13554, 15060, 16495, 18825, 19794, 20331, 22590, 24300, 25100, 27108, 29691, 32990, 33885, 37650, 39588, 40662, 45180, 49485, 56475, 59382, 60993, 65980, 67770, 75300, 81324, 82475, 89073, 98970, 101655, 112950, 118764, 121986, 135540, 148455, 164950, 169425, 178146, 197940, 203310, 225900, 243972, 247425, 267219, 296910, 304965, 329900, 338850, 356292, 406620, 445365, 494850, 508275, 534438, 593820, 609930, 677700, 742275, 801657, 828049, 890730, 989700, 1016550, 1068876, 1219860, 1336095, 1484550, 1524825, 1603314, 1656098, 1781460, 2033100, 2226825, 2484147, 2672190, 2969100, 3049650, 3206628, 3312196, 4008285, 4140245, 4453650, 4968294, 5344380, 6099300, 6680475, 7452441, 8016570, 8280490, 8907300, 9936588, 12420735, 13360950, 14904882, 16033140, 16560980, 20041425, 20701225, 22357323, 24841470, 26721900, 29809764, 37262205, 40082850, 41402450, 44714646, 49682940, 62103675, 67071969, 74524410, 80165700, 82804900, 89429292, 111786615, 124207350, 134143938, 149048820, 186311025, 201215907, 223573230, 248414700, 268287876, 335359845, 372622050, 402431814, 447146460, 558933075, 670719690, 745244100, 804863628, 1006079535, 1117866150, 1341439380, 1676799225, 2012159070, 2235732300, 3353598450, 4024318140, 5030397675, 6707196900, 10060795350, 20121590700]

約数ペア:

[(1, 20121590700), (2, 10060795350), (3, 6707196900), (4, 5030397675), (5, 4024318140), (6, 3353598450), (9, 2235732300), (10, 2012159070), (12, 1676799225), (15, 1341439380), (18, 1117866150), (20, 1006079535), (25, 804863628), (27, 745244100), (30, 670719690), (36, 558933075), (45, 447146460), (50, 402431814), (54, 372622050), (60, 335359845), (75, 268287876), (81, 248414700), (90, 223573230), (100, 201215907), (108, 186311025), (135, 149048820), (150, 134143938), (162, 124207350), (180, 111786615), (225, 89429292), (243, 82804900), (251, 80165700), (270, 74524410), (300, 67071969), (324, 62103675), (405, 49682940), (450, 44714646), (486, 41402450), (502, 40082850), (540, 37262205), (675, 29809764), (753, 26721900), (810, 24841470), (900, 22357323), (972, 20701225), (1004, 20041425), (1215, 16560980), (1255, 16033140), (1350, 14904882), (1506, 13360950), (1620, 12420735), (2025, 9936588), (2259, 8907300), (2430, 8280490), (2510, 8016570), (2700, 7452441), (3012, 6680475), (3299, 6099300), (3765, 5344380), (4050, 4968294), (4518, 4453650), (4860, 4140245), (5020, 4008285), (6075, 3312196), (6275, 3206628), (6598, 3049650), (6777, 2969100), (7530, 2672190), (8100, 2484147), (9036, 2226825), (9897, 2033100), (11295, 1781460), (12150, 1656098), (12550, 1603314), (13196, 1524825), (13554, 1484550), (15060, 1336095), (16495, 1219860), (18825, 1068876), (19794, 1016550), (20331, 989700), (22590, 890730), (24300, 828049), (25100, 801657), (27108, 742275), (29691, 677700), (32990, 609930), (33885, 593820), (37650, 534438), (39588, 508275), (40662, 494850), (45180, 445365), (49485, 406620), (56475, 356292), (59382, 338850), (60993, 329900), (65980, 304965), (67770, 296910), (75300, 267219), (81324, 247425), (82475, 243972), (89073, 225900), (98970, 203310), (101655, 197940), (112950, 178146), (118764, 169425), (121986, 164950), (135540, 148455)]