220177965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 461832192

約数和(自身を除く): 241654227

約数列:

[1, 3, 5, 7, 15, 17, 21, 23, 31, 35, 51, 69, 85, 93, 105, 115, 119, 155, 161, 173, 217, 255, 345, 357, 391, 465, 483, 519, 527, 595, 651, 713, 805, 865, 1085, 1173, 1211, 1581, 1785, 1955, 2139, 2415, 2595, 2635, 2737, 2941, 3255, 3565, 3633, 3689, 3979, 4991, 5363, 5865, 6055, 7905, 8211, 8823, 10695, 11067, 11937, 12121, 13685, 14705, 14973, 16089, 18165, 18445, 19895, 20587, 24955, 26815, 27853, 36363, 37541, 41055, 44115, 55335, 59685, 60605, 61761, 67643, 74865, 80445, 83559, 84847, 91171, 102935, 112623, 123349, 139265, 181815, 187705, 202929, 254541, 273513, 308805, 338215, 370047, 417795, 424235, 455855, 473501, 563115, 616745, 638197, 863443, 1014645, 1272705, 1367565, 1420503, 1850235, 1914591, 2096933, 2367505, 2590329, 3190985, 4317215, 6290799, 7102515, 9572955, 10484665, 12951645, 14678531, 31453995, 44035593, 73392655, 220177965]

約数ペア:

[(1, 220177965), (3, 73392655), (5, 44035593), (7, 31453995), (15, 14678531), (17, 12951645), (21, 10484665), (23, 9572955), (31, 7102515), (35, 6290799), (51, 4317215), (69, 3190985), (85, 2590329), (93, 2367505), (105, 2096933), (115, 1914591), (119, 1850235), (155, 1420503), (161, 1367565), (173, 1272705), (217, 1014645), (255, 863443), (345, 638197), (357, 616745), (391, 563115), (465, 473501), (483, 455855), (519, 424235), (527, 417795), (595, 370047), (651, 338215), (713, 308805), (805, 273513), (865, 254541), (1085, 202929), (1173, 187705), (1211, 181815), (1581, 139265), (1785, 123349), (1955, 112623), (2139, 102935), (2415, 91171), (2595, 84847), (2635, 83559), (2737, 80445), (2941, 74865), (3255, 67643), (3565, 61761), (3633, 60605), (3689, 59685), (3979, 55335), (4991, 44115), (5363, 41055), (5865, 37541), (6055, 36363), (7905, 27853), (8211, 26815), (8823, 24955), (10695, 20587), (11067, 19895), (11937, 18445), (12121, 18165), (13685, 16089), (14705, 14973)]