311368960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 288

約数和(自身を含む): 941875200

約数和(自身を除く): 630506240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 56, 59, 62, 64, 70, 76, 80, 95, 112, 118, 124, 128, 133, 140, 152, 155, 160, 190, 217, 224, 236, 248, 256, 266, 280, 295, 304, 310, 320, 380, 413, 434, 448, 472, 496, 532, 560, 589, 590, 608, 620, 640, 665, 760, 826, 868, 896, 944, 992, 1064, 1085, 1120, 1121, 1178, 1180, 1216, 1240, 1280, 1330, 1520, 1652, 1736, 1792, 1829, 1888, 1984, 2065, 2128, 2170, 2240, 2242, 2356, 2360, 2432, 2480, 2660, 2945, 3040, 3304, 3472, 3658, 3776, 3968, 4123, 4130, 4256, 4340, 4480, 4484, 4712, 4720, 4864, 4960, 5320, 5605, 5890, 6080, 6608, 6944, 7316, 7552, 7847, 7936, 8246, 8260, 8512, 8680, 8960, 8968, 9145, 9424, 9440, 9920, 10640, 11210, 11780, 12160, 12803, 13216, 13888, 14632, 15104, 15694, 16492, 16520, 17024, 17360, 17936, 18290, 18848, 18880, 19840, 20615, 21280, 22420, 23560, 24320, 25606, 26432, 27776, 29264, 31388, 32984, 33040, 34048, 34720, 34751, 35872, 36580, 37696, 37760, 39235, 39680, 41230, 42560, 44840, 47120, 51212, 52864, 55552, 58528, 62776, 64015, 65968, 66080, 69440, 69502, 71744, 73160, 75392, 75520, 78470, 82460, 85120, 89680, 94240, 102424, 105728, 117056, 125552, 128030, 131936, 132160, 138880, 139004, 143488, 146320, 150784, 156940, 164920, 170240, 173755, 179360, 188480, 204848, 234112, 243257, 251104, 256060, 263872, 264320, 277760, 278008, 286976, 292640, 313880, 329840, 347510, 358720, 376960, 409696, 468224, 486514, 502208, 512120, 527744, 528640, 556016, 585280, 627760, 659680, 695020, 717440, 753920, 819392, 973028, 1004416, 1024240, 1055488, 1112032, 1170560, 1216285, 1255520, 1319360, 1390040, 1434880, 1638784, 1946056, 2008832, 2048480, 2224064, 2341120, 2432570, 2511040, 2638720, 2780080, 3277568, 3892112, 4096960, 4448128, 4865140, 5022080, 5277440, 5560160, 7784224, 8193920, 8896256, 9730280, 10044160, 11120320, 15568448, 16387840, 19460560, 22240640, 31136896, 38921120, 44481280, 62273792, 77842240, 155684480, 311368960]

約数ペア:

[(1, 311368960), (2, 155684480), (4, 77842240), (5, 62273792), (7, 44481280), (8, 38921120), (10, 31136896), (14, 22240640), (16, 19460560), (19, 16387840), (20, 15568448), (28, 11120320), (31, 10044160), (32, 9730280), (35, 8896256), (38, 8193920), (40, 7784224), (56, 5560160), (59, 5277440), (62, 5022080), (64, 4865140), (70, 4448128), (76, 4096960), (80, 3892112), (95, 3277568), (112, 2780080), (118, 2638720), (124, 2511040), (128, 2432570), (133, 2341120), (140, 2224064), (152, 2048480), (155, 2008832), (160, 1946056), (190, 1638784), (217, 1434880), (224, 1390040), (236, 1319360), (248, 1255520), (256, 1216285), (266, 1170560), (280, 1112032), (295, 1055488), (304, 1024240), (310, 1004416), (320, 973028), (380, 819392), (413, 753920), (434, 717440), (448, 695020), (472, 659680), (496, 627760), (532, 585280), (560, 556016), (589, 528640), (590, 527744), (608, 512120), (620, 502208), (640, 486514), (665, 468224), (760, 409696), (826, 376960), (868, 358720), (896, 347510), (944, 329840), (992, 313880), (1064, 292640), (1085, 286976), (1120, 278008), (1121, 277760), (1178, 264320), (1180, 263872), (1216, 256060), (1240, 251104), (1280, 243257), (1330, 234112), (1520, 204848), (1652, 188480), (1736, 179360), (1792, 173755), (1829, 170240), (1888, 164920), (1984, 156940), (2065, 150784), (2128, 146320), (2170, 143488), (2240, 139004), (2242, 138880), (2356, 132160), (2360, 131936), (2432, 128030), (2480, 125552), (2660, 117056), (2945, 105728), (3040, 102424), (3304, 94240), (3472, 89680), (3658, 85120), (3776, 82460), (3968, 78470), (4123, 75520), (4130, 75392), (4256, 73160), (4340, 71744), (4480, 69502), (4484, 69440), (4712, 66080), (4720, 65968), (4864, 64015), (4960, 62776), (5320, 58528), (5605, 55552), (5890, 52864), (6080, 51212), (6608, 47120), (6944, 44840), (7316, 42560), (7552, 41230), (7847, 39680), (7936, 39235), (8246, 37760), (8260, 37696), (8512, 36580), (8680, 35872), (8960, 34751), (8968, 34720), (9145, 34048), (9424, 33040), (9440, 32984), (9920, 31388), (10640, 29264), (11210, 27776), (11780, 26432), (12160, 25606), (12803, 24320), (13216, 23560), (13888, 22420), (14632, 21280), (15104, 20615), (15694, 19840), (16492, 18880), (16520, 18848), (17024, 18290), (17360, 17936)]