669009760

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{229}}^1$

素因数の和:325

約数の個数: 144

約数和(自身を含む): 1726628400

約数和(自身を除く): 1057618640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 229, 248, 304, 310, 380, 458, 496, 589, 608, 620, 760, 916, 961, 992, 1145, 1178, 1240, 1520, 1832, 1922, 2290, 2356, 2480, 2945, 3040, 3664, 3844, 4351, 4580, 4712, 4805, 4960, 5890, 7099, 7328, 7688, 8702, 9160, 9424, 9610, 11780, 14198, 15376, 17404, 18259, 18320, 18848, 19220, 21755, 23560, 28396, 30752, 34808, 35495, 36518, 36640, 38440, 43510, 47120, 56792, 69616, 70990, 73036, 76880, 87020, 91295, 94240, 113584, 134881, 139232, 141980, 146072, 153760, 174040, 182590, 220069, 227168, 269762, 283960, 292144, 348080, 365180, 440138, 539524, 567920, 584288, 674405, 696160, 730360, 880276, 1079048, 1100345, 1135840, 1348810, 1460720, 1760552, 2158096, 2200690, 2697620, 2921440, 3521104, 4181311, 4316192, 4401380, 5395240, 7042208, 8362622, 8802760, 10790480, 16725244, 17605520, 20906555, 21580960, 33450488, 35211040, 41813110, 66900976, 83626220, 133801952, 167252440, 334504880, 669009760]

約数ペア:

[(1, 669009760), (2, 334504880), (4, 167252440), (5, 133801952), (8, 83626220), (10, 66900976), (16, 41813110), (19, 35211040), (20, 33450488), (31, 21580960), (32, 20906555), (38, 17605520), (40, 16725244), (62, 10790480), (76, 8802760), (80, 8362622), (95, 7042208), (124, 5395240), (152, 4401380), (155, 4316192), (160, 4181311), (190, 3521104), (229, 2921440), (248, 2697620), (304, 2200690), (310, 2158096), (380, 1760552), (458, 1460720), (496, 1348810), (589, 1135840), (608, 1100345), (620, 1079048), (760, 880276), (916, 730360), (961, 696160), (992, 674405), (1145, 584288), (1178, 567920), (1240, 539524), (1520, 440138), (1832, 365180), (1922, 348080), (2290, 292144), (2356, 283960), (2480, 269762), (2945, 227168), (3040, 220069), (3664, 182590), (3844, 174040), (4351, 153760), (4580, 146072), (4712, 141980), (4805, 139232), (4960, 134881), (5890, 113584), (7099, 94240), (7328, 91295), (7688, 87020), (8702, 76880), (9160, 73036), (9424, 70990), (9610, 69616), (11780, 56792), (14198, 47120), (15376, 43510), (17404, 38440), (18259, 36640), (18320, 36518), (18848, 35495), (19220, 34808), (21755, 30752), (23560, 28396)]