719538560

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:668

約数の個数: 128

約数和(自身を含む): 1866110400

約数和(自身を除く): 1146571840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 197, 208, 260, 320, 394, 416, 439, 520, 640, 788, 832, 878, 985, 1040, 1576, 1664, 1756, 1970, 2080, 2195, 2561, 3152, 3512, 3940, 4160, 4390, 5122, 5707, 6304, 7024, 7880, 8320, 8780, 10244, 11414, 12608, 12805, 14048, 15760, 17560, 20488, 22828, 25216, 25610, 28096, 28535, 31520, 35120, 40976, 45656, 51220, 56192, 57070, 63040, 70240, 81952, 86483, 91312, 102440, 114140, 126080, 140480, 163904, 172966, 182624, 204880, 228280, 280960, 327808, 345932, 365248, 409760, 432415, 456560, 691864, 730496, 819520, 864830, 913120, 1124279, 1383728, 1639040, 1729660, 1826240, 2248558, 2767456, 3459320, 3652480, 4497116, 5534912, 5621395, 6918640, 8994232, 11069824, 11242790, 13837280, 17988464, 22485580, 27674560, 35976928, 44971160, 55349120, 71953856, 89942320, 143907712, 179884640, 359769280, 719538560]

約数ペア:

[(1, 719538560), (2, 359769280), (4, 179884640), (5, 143907712), (8, 89942320), (10, 71953856), (13, 55349120), (16, 44971160), (20, 35976928), (26, 27674560), (32, 22485580), (40, 17988464), (52, 13837280), (64, 11242790), (65, 11069824), (80, 8994232), (104, 6918640), (128, 5621395), (130, 5534912), (160, 4497116), (197, 3652480), (208, 3459320), (260, 2767456), (320, 2248558), (394, 1826240), (416, 1729660), (439, 1639040), (520, 1383728), (640, 1124279), (788, 913120), (832, 864830), (878, 819520), (985, 730496), (1040, 691864), (1576, 456560), (1664, 432415), (1756, 409760), (1970, 365248), (2080, 345932), (2195, 327808), (2561, 280960), (3152, 228280), (3512, 204880), (3940, 182624), (4160, 172966), (4390, 163904), (5122, 140480), (5707, 126080), (6304, 114140), (7024, 102440), (7880, 91312), (8320, 86483), (8780, 81952), (10244, 70240), (11414, 63040), (12608, 57070), (12805, 56192), (14048, 51220), (15760, 45656), (17560, 40976), (20488, 35120), (22828, 31520), (25216, 28535), (25610, 28096)]