258532240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2153}}^1$

素因数の和:2264

約数の個数: 80

約数和(自身を含む): 641030400

約数和(自身を除く): 382498160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 152, 158, 190, 304, 316, 380, 395, 632, 760, 790, 1264, 1501, 1520, 1580, 2153, 3002, 3160, 4306, 6004, 6320, 7505, 8612, 10765, 12008, 15010, 17224, 21530, 24016, 30020, 34448, 40907, 43060, 60040, 81814, 86120, 120080, 163628, 170087, 172240, 204535, 327256, 340174, 409070, 654512, 680348, 818140, 850435, 1360696, 1636280, 1700870, 2721392, 3231653, 3272560, 3401740, 6463306, 6803480, 12926612, 13606960, 16158265, 25853224, 32316530, 51706448, 64633060, 129266120, 258532240]

約数ペア:

[(1, 258532240), (2, 129266120), (4, 64633060), (5, 51706448), (8, 32316530), (10, 25853224), (16, 16158265), (19, 13606960), (20, 12926612), (38, 6803480), (40, 6463306), (76, 3401740), (79, 3272560), (80, 3231653), (95, 2721392), (152, 1700870), (158, 1636280), (190, 1360696), (304, 850435), (316, 818140), (380, 680348), (395, 654512), (632, 409070), (760, 340174), (790, 327256), (1264, 204535), (1501, 172240), (1520, 170087), (1580, 163628), (2153, 120080), (3002, 86120), (3160, 81814), (4306, 60040), (6004, 43060), (6320, 40907), (7505, 34448), (8612, 30020), (10765, 24016), (12008, 21530), (15010, 17224)]