788656120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2113}}^1$

素因数の和:2205

約数の個数: 128

約数和(自身を含む): 2143088640

約数和(自身を除く): 1354432520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 43, 56, 62, 70, 86, 124, 140, 155, 172, 215, 217, 248, 280, 301, 310, 344, 430, 434, 602, 620, 860, 868, 1085, 1204, 1240, 1333, 1505, 1720, 1736, 2113, 2170, 2408, 2666, 3010, 4226, 4340, 5332, 6020, 6665, 8452, 8680, 9331, 10565, 10664, 12040, 13330, 14791, 16904, 18662, 21130, 26660, 29582, 37324, 42260, 46655, 53320, 59164, 65503, 73955, 74648, 84520, 90859, 93310, 118328, 131006, 147910, 181718, 186620, 262012, 295820, 327515, 363436, 373240, 454295, 458521, 524024, 591640, 636013, 655030, 726872, 908590, 917042, 1272026, 1310060, 1817180, 1834084, 2292605, 2544052, 2620120, 2816629, 3180065, 3634360, 3668168, 4585210, 5088104, 5633258, 6360130, 9170420, 11266516, 12720260, 14083145, 18340840, 19716403, 22533032, 25440520, 28166290, 39432806, 56332580, 78865612, 98582015, 112665160, 157731224, 197164030, 394328060, 788656120]

約数ペア:

[(1, 788656120), (2, 394328060), (4, 197164030), (5, 157731224), (7, 112665160), (8, 98582015), (10, 78865612), (14, 56332580), (20, 39432806), (28, 28166290), (31, 25440520), (35, 22533032), (40, 19716403), (43, 18340840), (56, 14083145), (62, 12720260), (70, 11266516), (86, 9170420), (124, 6360130), (140, 5633258), (155, 5088104), (172, 4585210), (215, 3668168), (217, 3634360), (248, 3180065), (280, 2816629), (301, 2620120), (310, 2544052), (344, 2292605), (430, 1834084), (434, 1817180), (602, 1310060), (620, 1272026), (860, 917042), (868, 908590), (1085, 726872), (1204, 655030), (1240, 636013), (1333, 591640), (1505, 524024), (1720, 458521), (1736, 454295), (2113, 373240), (2170, 363436), (2408, 327515), (2666, 295820), (3010, 262012), (4226, 186620), (4340, 181718), (5332, 147910), (6020, 131006), (6665, 118328), (8452, 93310), (8680, 90859), (9331, 84520), (10565, 74648), (10664, 73955), (12040, 65503), (13330, 59164), (14791, 53320), (16904, 46655), (18662, 42260), (21130, 37324), (26660, 29582)]