201571760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^2$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 536580240

約数和(自身を除く): 335008480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 101, 104, 130, 152, 190, 202, 208, 247, 260, 304, 380, 404, 494, 505, 520, 760, 808, 988, 1010, 1040, 1235, 1313, 1520, 1616, 1919, 1976, 2020, 2470, 2626, 3838, 3952, 4040, 4940, 5252, 6565, 7676, 8080, 9595, 9880, 10201, 10504, 13130, 15352, 19190, 19760, 20402, 21008, 24947, 26260, 30704, 38380, 40804, 49894, 51005, 52520, 76760, 81608, 99788, 102010, 105040, 124735, 132613, 153520, 163216, 193819, 199576, 204020, 249470, 265226, 387638, 399152, 408040, 498940, 530452, 663065, 775276, 816080, 969095, 997880, 1060904, 1326130, 1550552, 1938190, 1995760, 2121808, 2519647, 2652260, 3101104, 3876380, 5039294, 5304520, 7752760, 10078588, 10609040, 12598235, 15505520, 20157176, 25196470, 40314352, 50392940, 100785880, 201571760]

約数ペア:

[(1, 201571760), (2, 100785880), (4, 50392940), (5, 40314352), (8, 25196470), (10, 20157176), (13, 15505520), (16, 12598235), (19, 10609040), (20, 10078588), (26, 7752760), (38, 5304520), (40, 5039294), (52, 3876380), (65, 3101104), (76, 2652260), (80, 2519647), (95, 2121808), (101, 1995760), (104, 1938190), (130, 1550552), (152, 1326130), (190, 1060904), (202, 997880), (208, 969095), (247, 816080), (260, 775276), (304, 663065), (380, 530452), (404, 498940), (494, 408040), (505, 399152), (520, 387638), (760, 265226), (808, 249470), (988, 204020), (1010, 199576), (1040, 193819), (1235, 163216), (1313, 153520), (1520, 132613), (1616, 124735), (1919, 105040), (1976, 102010), (2020, 99788), (2470, 81608), (2626, 76760), (3838, 52520), (3952, 51005), (4040, 49894), (4940, 40804), (5252, 38380), (6565, 30704), (7676, 26260), (8080, 24947), (9595, 21008), (9880, 20402), (10201, 19760), (10504, 19190), (13130, 15352)]