217689360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:310

約数の個数: 240

約数和(自身を含む): 796931136

約数和(自身を除く): 579241776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 107, 112, 120, 140, 147, 168, 173, 196, 210, 214, 240, 245, 280, 294, 321, 336, 346, 392, 420, 428, 490, 519, 535, 560, 588, 642, 692, 735, 749, 784, 840, 856, 865, 980, 1038, 1070, 1176, 1211, 1284, 1384, 1470, 1498, 1605, 1680, 1712, 1730, 1960, 2076, 2140, 2247, 2352, 2422, 2568, 2595, 2768, 2940, 2996, 3210, 3460, 3633, 3745, 3920, 4152, 4280, 4494, 4844, 5136, 5190, 5243, 5880, 5992, 6055, 6420, 6920, 7266, 7490, 8304, 8477, 8560, 8988, 9688, 10380, 10486, 11235, 11760, 11984, 12110, 12840, 13840, 14532, 14980, 15729, 16954, 17976, 18165, 18511, 19376, 20760, 20972, 22470, 24220, 25431, 25680, 26215, 29064, 29960, 31458, 33908, 35952, 36330, 37022, 41520, 41944, 42385, 44940, 48440, 50862, 52430, 55533, 58128, 59920, 62916, 67816, 72660, 74044, 78645, 83888, 84770, 89880, 92555, 96880, 101724, 104860, 111066, 125832, 127155, 129577, 135632, 145320, 148088, 157290, 169540, 179760, 185110, 203448, 209720, 222132, 251664, 254310, 259154, 277665, 290640, 296176, 314580, 339080, 370220, 388731, 406896, 419440, 444264, 508620, 518308, 555330, 629160, 647885, 678160, 740440, 777462, 888528, 907039, 1017240, 1036616, 1110660, 1258320, 1295770, 1480880, 1554924, 1814078, 1943655, 2034480, 2073232, 2221320, 2591540, 2721117, 3109848, 3628156, 3887310, 4442640, 4535195, 5183080, 5442234, 6219696, 7256312, 7774620, 9070390, 10366160, 10884468, 13605585, 14512624, 15549240, 18140780, 21768936, 27211170, 31098480, 36281560, 43537872, 54422340, 72563120, 108844680, 217689360]

約数ペア:

[(1, 217689360), (2, 108844680), (3, 72563120), (4, 54422340), (5, 43537872), (6, 36281560), (7, 31098480), (8, 27211170), (10, 21768936), (12, 18140780), (14, 15549240), (15, 14512624), (16, 13605585), (20, 10884468), (21, 10366160), (24, 9070390), (28, 7774620), (30, 7256312), (35, 6219696), (40, 5442234), (42, 5183080), (48, 4535195), (49, 4442640), (56, 3887310), (60, 3628156), (70, 3109848), (80, 2721117), (84, 2591540), (98, 2221320), (105, 2073232), (107, 2034480), (112, 1943655), (120, 1814078), (140, 1554924), (147, 1480880), (168, 1295770), (173, 1258320), (196, 1110660), (210, 1036616), (214, 1017240), (240, 907039), (245, 888528), (280, 777462), (294, 740440), (321, 678160), (336, 647885), (346, 629160), (392, 555330), (420, 518308), (428, 508620), (490, 444264), (519, 419440), (535, 406896), (560, 388731), (588, 370220), (642, 339080), (692, 314580), (735, 296176), (749, 290640), (784, 277665), (840, 259154), (856, 254310), (865, 251664), (980, 222132), (1038, 209720), (1070, 203448), (1176, 185110), (1211, 179760), (1284, 169540), (1384, 157290), (1470, 148088), (1498, 145320), (1605, 135632), (1680, 129577), (1712, 127155), (1730, 125832), (1960, 111066), (2076, 104860), (2140, 101724), (2247, 96880), (2352, 92555), (2422, 89880), (2568, 84770), (2595, 83888), (2768, 78645), (2940, 74044), (2996, 72660), (3210, 67816), (3460, 62916), (3633, 59920), (3745, 58128), (3920, 55533), (4152, 52430), (4280, 50862), (4494, 48440), (4844, 44940), (5136, 42385), (5190, 41944), (5243, 41520), (5880, 37022), (5992, 36330), (6055, 35952), (6420, 33908), (6920, 31458), (7266, 29960), (7490, 29064), (8304, 26215), (8477, 25680), (8560, 25431), (8988, 24220), (9688, 22470), (10380, 20972), (10486, 20760), (11235, 19376), (11760, 18511), (11984, 18165), (12110, 17976), (12840, 16954), (13840, 15729), (14532, 14980)]