561406680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:399

約数の個数: 256

約数和(自身を含む): 1995840000

約数和(自身を除く): 1434433320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 109, 114, 120, 135, 152, 171, 180, 190, 216, 218, 228, 251, 270, 285, 327, 342, 360, 380, 436, 456, 502, 513, 540, 545, 570, 654, 684, 753, 760, 855, 872, 981, 1004, 1026, 1080, 1090, 1140, 1255, 1308, 1368, 1506, 1635, 1710, 1962, 2008, 2052, 2071, 2180, 2259, 2280, 2510, 2565, 2616, 2943, 3012, 3270, 3420, 3765, 3924, 4104, 4142, 4360, 4518, 4769, 4905, 5020, 5130, 5886, 6024, 6213, 6540, 6777, 6840, 7530, 7848, 8284, 9036, 9538, 9810, 10040, 10260, 10355, 11295, 11772, 12426, 13080, 13554, 14307, 14715, 15060, 16568, 18072, 18639, 19076, 19620, 20520, 20710, 22590, 23544, 23845, 24852, 27108, 27359, 28614, 29430, 30120, 31065, 33885, 37278, 38152, 39240, 41420, 42921, 45180, 47690, 49704, 54216, 54718, 55917, 57228, 58860, 62130, 67770, 71535, 74556, 82077, 82840, 85842, 90360, 93195, 95380, 109436, 111834, 114456, 117720, 124260, 128763, 135540, 136795, 143070, 149112, 164154, 171684, 186390, 190760, 214605, 218872, 223668, 246231, 248520, 257526, 271080, 273590, 279585, 286140, 328308, 343368, 372780, 410385, 429210, 447336, 492462, 515052, 519821, 547180, 559170, 572280, 643815, 656616, 738693, 745560, 820770, 858420, 984924, 1030104, 1039642, 1094360, 1118340, 1231155, 1287630, 1477386, 1559463, 1641540, 1716840, 1969848, 2079284, 2236680, 2462310, 2575260, 2599105, 2954772, 3118926, 3283080, 3693465, 4158568, 4678389, 4924620, 5150520, 5198210, 5909544, 6237852, 7386930, 7797315, 9356778, 9849240, 10396420, 12475704, 14035167, 14773860, 15594630, 18713556, 20792840, 23391945, 28070334, 29547720, 31189260, 37427112, 46783890, 56140668, 62378520, 70175835, 93567780, 112281336, 140351670, 187135560, 280703340, 561406680]

約数ペア:

[(1, 561406680), (2, 280703340), (3, 187135560), (4, 140351670), (5, 112281336), (6, 93567780), (8, 70175835), (9, 62378520), (10, 56140668), (12, 46783890), (15, 37427112), (18, 31189260), (19, 29547720), (20, 28070334), (24, 23391945), (27, 20792840), (30, 18713556), (36, 15594630), (38, 14773860), (40, 14035167), (45, 12475704), (54, 10396420), (57, 9849240), (60, 9356778), (72, 7797315), (76, 7386930), (90, 6237852), (95, 5909544), (108, 5198210), (109, 5150520), (114, 4924620), (120, 4678389), (135, 4158568), (152, 3693465), (171, 3283080), (180, 3118926), (190, 2954772), (216, 2599105), (218, 2575260), (228, 2462310), (251, 2236680), (270, 2079284), (285, 1969848), (327, 1716840), (342, 1641540), (360, 1559463), (380, 1477386), (436, 1287630), (456, 1231155), (502, 1118340), (513, 1094360), (540, 1039642), (545, 1030104), (570, 984924), (654, 858420), (684, 820770), (753, 745560), (760, 738693), (855, 656616), (872, 643815), (981, 572280), (1004, 559170), (1026, 547180), (1080, 519821), (1090, 515052), (1140, 492462), (1255, 447336), (1308, 429210), (1368, 410385), (1506, 372780), (1635, 343368), (1710, 328308), (1962, 286140), (2008, 279585), (2052, 273590), (2071, 271080), (2180, 257526), (2259, 248520), (2280, 246231), (2510, 223668), (2565, 218872), (2616, 214605), (2943, 190760), (3012, 186390), (3270, 171684), (3420, 164154), (3765, 149112), (3924, 143070), (4104, 136795), (4142, 135540), (4360, 128763), (4518, 124260), (4769, 117720), (4905, 114456), (5020, 111834), (5130, 109436), (5886, 95380), (6024, 93195), (6213, 90360), (6540, 85842), (6777, 82840), (6840, 82077), (7530, 74556), (7848, 71535), (8284, 67770), (9036, 62130), (9538, 58860), (9810, 57228), (10040, 55917), (10260, 54718), (10355, 54216), (11295, 49704), (11772, 47690), (12426, 45180), (13080, 42921), (13554, 41420), (14307, 39240), (14715, 38152), (15060, 37278), (16568, 33885), (18072, 31065), (18639, 30120), (19076, 29430), (19620, 28614), (20520, 27359), (20710, 27108), (22590, 24852), (23544, 23845)]