61017740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 163749600

約数和(自身を除く): 102731860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 29, 35, 38, 49, 58, 70, 76, 95, 98, 113, 116, 133, 140, 145, 190, 196, 203, 226, 245, 266, 290, 380, 406, 452, 490, 532, 551, 565, 580, 665, 791, 812, 931, 980, 1015, 1102, 1130, 1330, 1421, 1582, 1862, 2030, 2147, 2204, 2260, 2660, 2755, 2842, 3164, 3277, 3724, 3857, 3955, 4060, 4294, 4655, 5510, 5537, 5684, 6554, 7105, 7714, 7910, 8588, 9310, 10735, 11020, 11074, 13108, 14210, 15029, 15428, 15820, 16385, 18620, 19285, 21470, 22148, 22939, 26999, 27685, 28420, 30058, 32770, 38570, 42940, 45878, 53998, 55370, 60116, 62263, 65540, 75145, 77140, 91756, 105203, 107996, 110740, 114695, 124526, 134995, 150290, 160573, 210406, 229390, 249052, 269990, 300580, 311315, 321146, 420812, 435841, 458780, 526015, 539980, 622630, 642292, 802865, 871682, 1052030, 1245260, 1605730, 1743364, 2104060, 2179205, 3050887, 3211460, 4358410, 6101774, 8716820, 12203548, 15254435, 30508870, 61017740]

約数ペア:

[(1, 61017740), (2, 30508870), (4, 15254435), (5, 12203548), (7, 8716820), (10, 6101774), (14, 4358410), (19, 3211460), (20, 3050887), (28, 2179205), (29, 2104060), (35, 1743364), (38, 1605730), (49, 1245260), (58, 1052030), (70, 871682), (76, 802865), (95, 642292), (98, 622630), (113, 539980), (116, 526015), (133, 458780), (140, 435841), (145, 420812), (190, 321146), (196, 311315), (203, 300580), (226, 269990), (245, 249052), (266, 229390), (290, 210406), (380, 160573), (406, 150290), (452, 134995), (490, 124526), (532, 114695), (551, 110740), (565, 107996), (580, 105203), (665, 91756), (791, 77140), (812, 75145), (931, 65540), (980, 62263), (1015, 60116), (1102, 55370), (1130, 53998), (1330, 45878), (1421, 42940), (1582, 38570), (1862, 32770), (2030, 30058), (2147, 28420), (2204, 27685), (2260, 26999), (2660, 22939), (2755, 22148), (2842, 21470), (3164, 19285), (3277, 18620), (3724, 16385), (3857, 15820), (3955, 15428), (4060, 15029), (4294, 14210), (4655, 13108), (5510, 11074), (5537, 11020), (5684, 10735), (6554, 9310), (7105, 8588), (7714, 7910)]