681061290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:421

約数の個数: 192

約数和(自身を含む): 2069794944

約数和(自身を除く): 1388733654

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 49, 65, 70, 78, 91, 98, 105, 130, 147, 157, 182, 195, 210, 227, 245, 273, 294, 314, 390, 454, 455, 471, 490, 546, 637, 681, 735, 785, 910, 942, 1099, 1135, 1274, 1362, 1365, 1470, 1570, 1589, 1911, 2041, 2198, 2270, 2355, 2730, 2951, 3178, 3185, 3297, 3405, 3822, 4082, 4710, 4767, 5495, 5902, 6123, 6370, 6594, 6810, 7693, 7945, 8853, 9534, 9555, 10205, 10990, 11123, 12246, 14287, 14755, 15386, 15890, 16485, 17706, 19110, 20410, 20657, 22246, 23079, 23835, 28574, 29510, 30615, 32970, 33369, 35639, 38465, 41314, 42861, 44265, 46158, 47670, 55615, 61230, 61971, 66738, 71278, 71435, 76930, 85722, 88530, 100009, 103285, 106917, 111230, 115395, 123942, 142870, 144599, 166845, 178195, 200018, 206570, 213834, 214305, 230790, 249473, 289198, 300027, 309855, 333690, 356390, 428610, 433797, 463307, 498946, 500045, 534585, 600054, 619710, 722995, 748419, 867594, 926614, 1000090, 1069170, 1247365, 1389921, 1445990, 1496838, 1500135, 1746311, 2168985, 2316535, 2494730, 2779842, 3000270, 3243149, 3492622, 3742095, 4337970, 4633070, 5238933, 6486298, 6949605, 7484190, 8731555, 9729447, 10477866, 13899210, 16215745, 17463110, 19458894, 22702043, 26194665, 32431490, 45404086, 48647235, 52389330, 68106129, 97294470, 113510215, 136212258, 227020430, 340530645, 681061290]

約数ペア:

[(1, 681061290), (2, 340530645), (3, 227020430), (5, 136212258), (6, 113510215), (7, 97294470), (10, 68106129), (13, 52389330), (14, 48647235), (15, 45404086), (21, 32431490), (26, 26194665), (30, 22702043), (35, 19458894), (39, 17463110), (42, 16215745), (49, 13899210), (65, 10477866), (70, 9729447), (78, 8731555), (91, 7484190), (98, 6949605), (105, 6486298), (130, 5238933), (147, 4633070), (157, 4337970), (182, 3742095), (195, 3492622), (210, 3243149), (227, 3000270), (245, 2779842), (273, 2494730), (294, 2316535), (314, 2168985), (390, 1746311), (454, 1500135), (455, 1496838), (471, 1445990), (490, 1389921), (546, 1247365), (637, 1069170), (681, 1000090), (735, 926614), (785, 867594), (910, 748419), (942, 722995), (1099, 619710), (1135, 600054), (1274, 534585), (1362, 500045), (1365, 498946), (1470, 463307), (1570, 433797), (1589, 428610), (1911, 356390), (2041, 333690), (2198, 309855), (2270, 300027), (2355, 289198), (2730, 249473), (2951, 230790), (3178, 214305), (3185, 213834), (3297, 206570), (3405, 200018), (3822, 178195), (4082, 166845), (4710, 144599), (4767, 142870), (5495, 123942), (5902, 115395), (6123, 111230), (6370, 106917), (6594, 103285), (6810, 100009), (7693, 88530), (7945, 85722), (8853, 76930), (9534, 71435), (9555, 71278), (10205, 66738), (10990, 61971), (11123, 61230), (12246, 55615), (14287, 47670), (14755, 46158), (15386, 44265), (15890, 42861), (16485, 41314), (17706, 38465), (19110, 35639), (20410, 33369), (20657, 32970), (22246, 30615), (23079, 29510), (23835, 28574)]