209490960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6563}}^1$

素因数の和:6605

約数の個数: 160

約数和(自身を含む): 781378560

約数和(自身を除く): 571887600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2660, 3192, 3990, 4560, 5320, 6384, 6563, 7980, 10640, 13126, 15960, 19689, 26252, 31920, 32815, 39378, 45941, 52504, 65630, 78756, 91882, 98445, 105008, 124697, 131260, 137823, 157512, 183764, 196890, 229705, 249394, 262520, 275646, 315024, 367528, 374091, 393780, 459410, 498788, 525040, 551292, 623485, 689115, 735056, 748182, 787560, 872879, 918820, 997576, 1102584, 1246970, 1378230, 1496364, 1575120, 1745758, 1837640, 1870455, 1995152, 2205168, 2493940, 2618637, 2756460, 2992728, 3491516, 3675280, 3740910, 4364395, 4987880, 5237274, 5512920, 5985456, 6983032, 7481820, 8728790, 9975760, 10474548, 11025840, 13093185, 13966064, 14963640, 17457580, 20949096, 26186370, 29927280, 34915160, 41898192, 52372740, 69830320, 104745480, 209490960]

約数ペア:

[(1, 209490960), (2, 104745480), (3, 69830320), (4, 52372740), (5, 41898192), (6, 34915160), (7, 29927280), (8, 26186370), (10, 20949096), (12, 17457580), (14, 14963640), (15, 13966064), (16, 13093185), (19, 11025840), (20, 10474548), (21, 9975760), (24, 8728790), (28, 7481820), (30, 6983032), (35, 5985456), (38, 5512920), (40, 5237274), (42, 4987880), (48, 4364395), (56, 3740910), (57, 3675280), (60, 3491516), (70, 2992728), (76, 2756460), (80, 2618637), (84, 2493940), (95, 2205168), (105, 1995152), (112, 1870455), (114, 1837640), (120, 1745758), (133, 1575120), (140, 1496364), (152, 1378230), (168, 1246970), (190, 1102584), (210, 997576), (228, 918820), (240, 872879), (266, 787560), (280, 748182), (285, 735056), (304, 689115), (336, 623485), (380, 551292), (399, 525040), (420, 498788), (456, 459410), (532, 393780), (560, 374091), (570, 367528), (665, 315024), (760, 275646), (798, 262520), (840, 249394), (912, 229705), (1064, 196890), (1140, 183764), (1330, 157512), (1520, 137823), (1596, 131260), (1680, 124697), (1995, 105008), (2128, 98445), (2280, 91882), (2660, 78756), (3192, 65630), (3990, 52504), (4560, 45941), (5320, 39378), (6384, 32815), (6563, 31920), (7980, 26252), (10640, 19689), (13126, 15960)]