256138320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{937}}^1$

素因数の和:1037

約数の個数: 160

約数和(自身を含む): 854195328

約数和(自身を除く): 598057008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 67, 68, 80, 85, 102, 120, 134, 136, 170, 201, 204, 240, 255, 268, 272, 335, 340, 402, 408, 510, 536, 670, 680, 804, 816, 937, 1005, 1020, 1072, 1139, 1340, 1360, 1608, 1874, 2010, 2040, 2278, 2680, 2811, 3216, 3417, 3748, 4020, 4080, 4556, 4685, 5360, 5622, 5695, 6834, 7496, 8040, 9112, 9370, 11244, 11390, 13668, 14055, 14992, 15929, 16080, 17085, 18224, 18740, 22488, 22780, 27336, 28110, 31858, 34170, 37480, 44976, 45560, 47787, 54672, 56220, 62779, 63716, 68340, 74960, 79645, 91120, 95574, 112440, 125558, 127432, 136680, 159290, 188337, 191148, 224880, 238935, 251116, 254864, 273360, 313895, 318580, 376674, 382296, 477870, 502232, 627790, 637160, 753348, 764592, 941685, 955740, 1004464, 1067243, 1255580, 1274320, 1506696, 1883370, 1911480, 2134486, 2511160, 3013392, 3201729, 3766740, 3822960, 4268972, 5022320, 5336215, 6403458, 7533480, 8537944, 10672430, 12806916, 15066960, 16008645, 17075888, 21344860, 25613832, 32017290, 42689720, 51227664, 64034580, 85379440, 128069160, 256138320]

約数ペア:

[(1, 256138320), (2, 128069160), (3, 85379440), (4, 64034580), (5, 51227664), (6, 42689720), (8, 32017290), (10, 25613832), (12, 21344860), (15, 17075888), (16, 16008645), (17, 15066960), (20, 12806916), (24, 10672430), (30, 8537944), (34, 7533480), (40, 6403458), (48, 5336215), (51, 5022320), (60, 4268972), (67, 3822960), (68, 3766740), (80, 3201729), (85, 3013392), (102, 2511160), (120, 2134486), (134, 1911480), (136, 1883370), (170, 1506696), (201, 1274320), (204, 1255580), (240, 1067243), (255, 1004464), (268, 955740), (272, 941685), (335, 764592), (340, 753348), (402, 637160), (408, 627790), (510, 502232), (536, 477870), (670, 382296), (680, 376674), (804, 318580), (816, 313895), (937, 273360), (1005, 254864), (1020, 251116), (1072, 238935), (1139, 224880), (1340, 191148), (1360, 188337), (1608, 159290), (1874, 136680), (2010, 127432), (2040, 125558), (2278, 112440), (2680, 95574), (2811, 91120), (3216, 79645), (3417, 74960), (3748, 68340), (4020, 63716), (4080, 62779), (4556, 56220), (4685, 54672), (5360, 47787), (5622, 45560), (5695, 44976), (6834, 37480), (7496, 34170), (8040, 31858), (9112, 28110), (9370, 27336), (11244, 22780), (11390, 22488), (13668, 18740), (14055, 18224), (14992, 17085), (15929, 16080)]