85779680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 254016000

約数和(自身を除く): 168236320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 29, 32, 35, 38, 40, 56, 58, 70, 76, 80, 95, 112, 116, 133, 139, 140, 145, 152, 160, 190, 203, 224, 232, 266, 278, 280, 290, 304, 380, 406, 464, 532, 551, 556, 560, 580, 608, 665, 695, 760, 812, 928, 973, 1015, 1064, 1102, 1112, 1120, 1160, 1330, 1390, 1520, 1624, 1946, 2030, 2128, 2204, 2224, 2320, 2641, 2660, 2755, 2780, 3040, 3248, 3857, 3892, 4031, 4060, 4256, 4408, 4448, 4640, 4865, 5282, 5320, 5510, 5560, 6496, 7714, 7784, 8062, 8120, 8816, 9730, 10564, 10640, 11020, 11120, 13205, 15428, 15568, 16124, 16240, 17632, 18487, 19285, 19460, 20155, 21128, 21280, 22040, 22240, 26410, 28217, 30856, 31136, 32248, 32480, 36974, 38570, 38920, 40310, 42256, 44080, 52820, 56434, 61712, 64496, 73948, 76589, 77140, 77840, 80620, 84512, 88160, 92435, 105640, 112868, 123424, 128992, 141085, 147896, 153178, 154280, 155680, 161240, 184870, 211280, 225736, 282170, 295792, 306356, 308560, 322480, 369740, 382945, 422560, 451472, 536123, 564340, 591584, 612712, 617120, 644960, 739480, 765890, 902944, 1072246, 1128680, 1225424, 1478960, 1531780, 2144492, 2257360, 2450848, 2680615, 2957920, 3063560, 4288984, 4514720, 5361230, 6127120, 8577968, 10722460, 12254240, 17155936, 21444920, 42889840, 85779680]

約数ペア:

[(1, 85779680), (2, 42889840), (4, 21444920), (5, 17155936), (7, 12254240), (8, 10722460), (10, 8577968), (14, 6127120), (16, 5361230), (19, 4514720), (20, 4288984), (28, 3063560), (29, 2957920), (32, 2680615), (35, 2450848), (38, 2257360), (40, 2144492), (56, 1531780), (58, 1478960), (70, 1225424), (76, 1128680), (80, 1072246), (95, 902944), (112, 765890), (116, 739480), (133, 644960), (139, 617120), (140, 612712), (145, 591584), (152, 564340), (160, 536123), (190, 451472), (203, 422560), (224, 382945), (232, 369740), (266, 322480), (278, 308560), (280, 306356), (290, 295792), (304, 282170), (380, 225736), (406, 211280), (464, 184870), (532, 161240), (551, 155680), (556, 154280), (560, 153178), (580, 147896), (608, 141085), (665, 128992), (695, 123424), (760, 112868), (812, 105640), (928, 92435), (973, 88160), (1015, 84512), (1064, 80620), (1102, 77840), (1112, 77140), (1120, 76589), (1160, 73948), (1330, 64496), (1390, 61712), (1520, 56434), (1624, 52820), (1946, 44080), (2030, 42256), (2128, 40310), (2204, 38920), (2224, 38570), (2320, 36974), (2641, 32480), (2660, 32248), (2755, 31136), (2780, 30856), (3040, 28217), (3248, 26410), (3857, 22240), (3892, 22040), (4031, 21280), (4060, 21128), (4256, 20155), (4408, 19460), (4448, 19285), (4640, 18487), (4865, 17632), (5282, 16240), (5320, 16124), (5510, 15568), (5560, 15428), (6496, 13205), (7714, 11120), (7784, 11020), (8062, 10640), (8120, 10564), (8816, 9730)]