210420900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{809}}^1$

素因数の和:863

約数の個数: 162

約数和(自身を含む): 701498070

約数和(自身を除く): 491077170

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 34, 36, 45, 50, 51, 60, 68, 75, 85, 90, 100, 102, 150, 153, 170, 180, 204, 225, 255, 289, 300, 306, 340, 425, 450, 510, 578, 612, 765, 809, 850, 867, 900, 1020, 1156, 1275, 1445, 1530, 1618, 1700, 1734, 2427, 2550, 2601, 2890, 3060, 3236, 3468, 3825, 4045, 4335, 4854, 5100, 5202, 5780, 7225, 7281, 7650, 8090, 8670, 9708, 10404, 12135, 13005, 13753, 14450, 14562, 15300, 16180, 17340, 20225, 21675, 24270, 26010, 27506, 28900, 29124, 36405, 40450, 41259, 43350, 48540, 52020, 55012, 60675, 65025, 68765, 72810, 80900, 82518, 86700, 121350, 123777, 130050, 137530, 145620, 165036, 182025, 206295, 233801, 242700, 247554, 260100, 275060, 343825, 364050, 412590, 467602, 495108, 618885, 687650, 701403, 728100, 825180, 935204, 1031475, 1169005, 1237770, 1375300, 1402806, 2062950, 2104209, 2338010, 2475540, 2805612, 3094425, 3507015, 4125900, 4208418, 4676020, 5845025, 6188850, 7014030, 8416836, 10521045, 11690050, 12377700, 14028060, 17535075, 21042090, 23380100, 35070150, 42084180, 52605225, 70140300, 105210450, 210420900]

約数ペア:

[(1, 210420900), (2, 105210450), (3, 70140300), (4, 52605225), (5, 42084180), (6, 35070150), (9, 23380100), (10, 21042090), (12, 17535075), (15, 14028060), (17, 12377700), (18, 11690050), (20, 10521045), (25, 8416836), (30, 7014030), (34, 6188850), (36, 5845025), (45, 4676020), (50, 4208418), (51, 4125900), (60, 3507015), (68, 3094425), (75, 2805612), (85, 2475540), (90, 2338010), (100, 2104209), (102, 2062950), (150, 1402806), (153, 1375300), (170, 1237770), (180, 1169005), (204, 1031475), (225, 935204), (255, 825180), (289, 728100), (300, 701403), (306, 687650), (340, 618885), (425, 495108), (450, 467602), (510, 412590), (578, 364050), (612, 343825), (765, 275060), (809, 260100), (850, 247554), (867, 242700), (900, 233801), (1020, 206295), (1156, 182025), (1275, 165036), (1445, 145620), (1530, 137530), (1618, 130050), (1700, 123777), (1734, 121350), (2427, 86700), (2550, 82518), (2601, 80900), (2890, 72810), (3060, 68765), (3236, 65025), (3468, 60675), (3825, 55012), (4045, 52020), (4335, 48540), (4854, 43350), (5100, 41259), (5202, 40450), (5780, 36405), (7225, 29124), (7281, 28900), (7650, 27506), (8090, 26010), (8670, 24270), (9708, 21675), (10404, 20225), (12135, 17340), (13005, 16180), (13753, 15300), (14450, 14562)]