20078138880

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37889}}^1$

素因数の和:37941

約数の個数: 240

約数和(自身を含む): 72561471840

約数和(自身を除く): 52483332960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 160, 180, 184, 192, 207, 230, 240, 256, 276, 288, 320, 345, 360, 368, 384, 414, 460, 480, 512, 552, 576, 640, 690, 720, 736, 768, 828, 920, 960, 1035, 1104, 1152, 1280, 1380, 1440, 1472, 1536, 1656, 1840, 1920, 2070, 2208, 2304, 2560, 2760, 2880, 2944, 3312, 3680, 3840, 4140, 4416, 4608, 5520, 5760, 5888, 6624, 7360, 7680, 8280, 8832, 11040, 11520, 11776, 13248, 14720, 16560, 17664, 22080, 23040, 26496, 29440, 33120, 35328, 37889, 44160, 52992, 58880, 66240, 75778, 88320, 105984, 113667, 132480, 151556, 176640, 189445, 227334, 264960, 303112, 341001, 378890, 454668, 529920, 568335, 606224, 682002, 757780, 871447, 909336, 1136670, 1212448, 1364004, 1515560, 1705005, 1742894, 1818672, 2273340, 2424896, 2614341, 2728008, 3031120, 3410010, 3485788, 3637344, 4357235, 4546680, 4849792, 5228682, 5456016, 6062240, 6820020, 6971576, 7274688, 7843023, 8714470, 9093360, 9699584, 10457364, 10912032, 12124480, 13071705, 13640040, 13943152, 14549376, 15686046, 17428940, 18186720, 19399168, 20914728, 21824064, 24248960, 26143410, 27280080, 27886304, 29098752, 31372092, 34857880, 36373440, 39215115, 41829456, 43648128, 48497920, 52286820, 54560160, 55772608, 58197504, 62744184, 69715760, 72746880, 78430230, 83658912, 87296256, 96995840, 104573640, 109120320, 111545216, 125488368, 139431520, 145493760, 156860460, 167317824, 174592512, 209147280, 218240640, 223090432, 250976736, 278863040, 290987520, 313720920, 334635648, 418294560, 436481280, 446180864, 501953472, 557726080, 627441840, 669271296, 836589120, 872962560, 1003906944, 1115452160, 1254883680, 1338542592, 1673178240, 2007813888, 2230904320, 2509767360, 3346356480, 4015627776, 5019534720, 6692712960, 10039069440, 20078138880]

約数ペア:

[(1, 20078138880), (2, 10039069440), (3, 6692712960), (4, 5019534720), (5, 4015627776), (6, 3346356480), (8, 2509767360), (9, 2230904320), (10, 2007813888), (12, 1673178240), (15, 1338542592), (16, 1254883680), (18, 1115452160), (20, 1003906944), (23, 872962560), (24, 836589120), (30, 669271296), (32, 627441840), (36, 557726080), (40, 501953472), (45, 446180864), (46, 436481280), (48, 418294560), (60, 334635648), (64, 313720920), (69, 290987520), (72, 278863040), (80, 250976736), (90, 223090432), (92, 218240640), (96, 209147280), (115, 174592512), (120, 167317824), (128, 156860460), (138, 145493760), (144, 139431520), (160, 125488368), (180, 111545216), (184, 109120320), (192, 104573640), (207, 96995840), (230, 87296256), (240, 83658912), (256, 78430230), (276, 72746880), (288, 69715760), (320, 62744184), (345, 58197504), (360, 55772608), (368, 54560160), (384, 52286820), (414, 48497920), (460, 43648128), (480, 41829456), (512, 39215115), (552, 36373440), (576, 34857880), (640, 31372092), (690, 29098752), (720, 27886304), (736, 27280080), (768, 26143410), (828, 24248960), (920, 21824064), (960, 20914728), (1035, 19399168), (1104, 18186720), (1152, 17428940), (1280, 15686046), (1380, 14549376), (1440, 13943152), (1472, 13640040), (1536, 13071705), (1656, 12124480), (1840, 10912032), (1920, 10457364), (2070, 9699584), (2208, 9093360), (2304, 8714470), (2560, 7843023), (2760, 7274688), (2880, 6971576), (2944, 6820020), (3312, 6062240), (3680, 5456016), (3840, 5228682), (4140, 4849792), (4416, 4546680), (4608, 4357235), (5520, 3637344), (5760, 3485788), (5888, 3410010), (6624, 3031120), (7360, 2728008), (7680, 2614341), (8280, 2424896), (8832, 2273340), (11040, 1818672), (11520, 1742894), (11776, 1705005), (13248, 1515560), (14720, 1364004), (16560, 1212448), (17664, 1136670), (22080, 909336), (23040, 871447), (26496, 757780), (29440, 682002), (33120, 606224), (35328, 568335), (37889, 529920), (44160, 454668), (52992, 378890), (58880, 341001), (66240, 303112), (75778, 264960), (88320, 227334), (105984, 189445), (113667, 176640), (132480, 151556)]