161966970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:281

約数の個数: 144

約数和(自身を含む): 470564640

約数和(自身を除く): 308597670

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 107, 110, 121, 139, 165, 198, 214, 242, 278, 321, 330, 363, 417, 495, 535, 605, 642, 695, 726, 834, 963, 990, 1070, 1089, 1177, 1210, 1251, 1390, 1529, 1605, 1815, 1926, 2085, 2178, 2354, 2502, 3058, 3210, 3531, 3630, 4170, 4587, 4815, 5445, 5885, 6255, 7062, 7645, 9174, 9630, 10593, 10890, 11770, 12510, 12947, 13761, 14873, 15290, 16819, 17655, 21186, 22935, 25894, 27522, 29746, 33638, 35310, 38841, 44619, 45870, 50457, 52965, 64735, 68805, 74365, 77682, 84095, 89238, 100914, 105930, 116523, 129470, 133857, 137610, 148730, 151371, 163603, 168190, 194205, 223095, 233046, 252285, 267714, 302742, 327206, 388410, 446190, 490809, 504570, 582615, 669285, 756855, 818015, 981618, 1165230, 1338570, 1472427, 1513710, 1636030, 1799633, 2454045, 2944854, 3599266, 4908090, 5398899, 7362135, 8998165, 10797798, 14724270, 16196697, 17996330, 26994495, 32393394, 53988990, 80983485, 161966970]

約数ペア:

[(1, 161966970), (2, 80983485), (3, 53988990), (5, 32393394), (6, 26994495), (9, 17996330), (10, 16196697), (11, 14724270), (15, 10797798), (18, 8998165), (22, 7362135), (30, 5398899), (33, 4908090), (45, 3599266), (55, 2944854), (66, 2454045), (90, 1799633), (99, 1636030), (107, 1513710), (110, 1472427), (121, 1338570), (139, 1165230), (165, 981618), (198, 818015), (214, 756855), (242, 669285), (278, 582615), (321, 504570), (330, 490809), (363, 446190), (417, 388410), (495, 327206), (535, 302742), (605, 267714), (642, 252285), (695, 233046), (726, 223095), (834, 194205), (963, 168190), (990, 163603), (1070, 151371), (1089, 148730), (1177, 137610), (1210, 133857), (1251, 129470), (1390, 116523), (1529, 105930), (1605, 100914), (1815, 89238), (1926, 84095), (2085, 77682), (2178, 74365), (2354, 68805), (2502, 64735), (3058, 52965), (3210, 50457), (3531, 45870), (3630, 44619), (4170, 38841), (4587, 35310), (4815, 33638), (5445, 29746), (5885, 27522), (6255, 25894), (7062, 22935), (7645, 21186), (9174, 17655), (9630, 16819), (10593, 15290), (10890, 14873), (11770, 13761), (12510, 12947)]