209221920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2549}}^1$

素因数の和:2592

約数の個数: 192

約数和(自身を含む): 771120000

約数和(自身を除く): 561898080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1710, 1824, 2052, 2160, 2280, 2549, 2565, 2736, 3040, 3420, 4104, 4320, 4560, 5098, 5130, 5472, 6840, 7647, 8208, 9120, 10196, 10260, 12745, 13680, 15294, 16416, 20392, 20520, 22941, 25490, 27360, 30588, 38235, 40784, 41040, 45882, 48431, 50980, 61176, 68823, 76470, 81568, 82080, 91764, 96862, 101960, 114705, 122352, 137646, 145293, 152940, 183528, 193724, 203920, 229410, 242155, 244704, 275292, 290586, 305880, 344115, 367056, 387448, 407840, 435879, 458820, 484310, 550584, 581172, 611760, 688230, 726465, 734112, 774896, 871758, 917640, 968620, 1101168, 1162344, 1223520, 1307637, 1376460, 1452930, 1549792, 1743516, 1835280, 1937240, 2179395, 2202336, 2324688, 2615274, 2752920, 2905860, 3487032, 3670560, 3874480, 4358790, 4649376, 5230548, 5505840, 5811720, 6538185, 6974064, 7748960, 8717580, 10461096, 11011680, 11623440, 13076370, 13948128, 17435160, 20922192, 23246880, 26152740, 34870320, 41844384, 52305480, 69740640, 104610960, 209221920]

約数ペア:

[(1, 209221920), (2, 104610960), (3, 69740640), (4, 52305480), (5, 41844384), (6, 34870320), (8, 26152740), (9, 23246880), (10, 20922192), (12, 17435160), (15, 13948128), (16, 13076370), (18, 11623440), (19, 11011680), (20, 10461096), (24, 8717580), (27, 7748960), (30, 6974064), (32, 6538185), (36, 5811720), (38, 5505840), (40, 5230548), (45, 4649376), (48, 4358790), (54, 3874480), (57, 3670560), (60, 3487032), (72, 2905860), (76, 2752920), (80, 2615274), (90, 2324688), (95, 2202336), (96, 2179395), (108, 1937240), (114, 1835280), (120, 1743516), (135, 1549792), (144, 1452930), (152, 1376460), (160, 1307637), (171, 1223520), (180, 1162344), (190, 1101168), (216, 968620), (228, 917640), (240, 871758), (270, 774896), (285, 734112), (288, 726465), (304, 688230), (342, 611760), (360, 581172), (380, 550584), (432, 484310), (456, 458820), (480, 435879), (513, 407840), (540, 387448), (570, 367056), (608, 344115), (684, 305880), (720, 290586), (760, 275292), (855, 244704), (864, 242155), (912, 229410), (1026, 203920), (1080, 193724), (1140, 183528), (1368, 152940), (1440, 145293), (1520, 137646), (1710, 122352), (1824, 114705), (2052, 101960), (2160, 96862), (2280, 91764), (2549, 82080), (2565, 81568), (2736, 76470), (3040, 68823), (3420, 61176), (4104, 50980), (4320, 48431), (4560, 45882), (5098, 41040), (5130, 40784), (5472, 38235), (6840, 30588), (7647, 27360), (8208, 25490), (9120, 22941), (10196, 20520), (10260, 20392), (12745, 16416), (13680, 15294)]