16323304820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{491}}^1$

素因数の和:646

約数の個数: 144

約数和(自身を含む): 37552273920

約数和(自身を除く): 21228969100

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 43, 58, 62, 86, 116, 124, 145, 155, 172, 215, 290, 310, 430, 491, 580, 620, 860, 899, 982, 1247, 1333, 1798, 1849, 1964, 2455, 2494, 2666, 3596, 3698, 4495, 4910, 4988, 5332, 6235, 6665, 7396, 8990, 9245, 9820, 12470, 13330, 14239, 15221, 17980, 18490, 21113, 24940, 26660, 28478, 30442, 36980, 38657, 42226, 53621, 56956, 57319, 60884, 71195, 76105, 77314, 84452, 105565, 107242, 114638, 142390, 152210, 154628, 193285, 211130, 214484, 229276, 268105, 284780, 286595, 304420, 386570, 422260, 441409, 536210, 573190, 612277, 654503, 773140, 882818, 907859, 1072420, 1146380, 1224554, 1309006, 1662251, 1765636, 1815718, 2207045, 2449108, 2618012, 3061385, 3272515, 3324502, 3631436, 4414090, 4539295, 6122770, 6545030, 6649004, 8311255, 8828180, 9078590, 12245540, 13090060, 16622510, 18157180, 18980587, 26327911, 28143629, 33245020, 37961174, 52655822, 56287258, 75922348, 94902935, 105311644, 112574516, 131639555, 140718145, 189805870, 263279110, 281436290, 379611740, 526558220, 562872580, 816165241, 1632330482, 3264660964, 4080826205, 8161652410, 16323304820]

約数ペア:

[(1, 16323304820), (2, 8161652410), (4, 4080826205), (5, 3264660964), (10, 1632330482), (20, 816165241), (29, 562872580), (31, 526558220), (43, 379611740), (58, 281436290), (62, 263279110), (86, 189805870), (116, 140718145), (124, 131639555), (145, 112574516), (155, 105311644), (172, 94902935), (215, 75922348), (290, 56287258), (310, 52655822), (430, 37961174), (491, 33245020), (580, 28143629), (620, 26327911), (860, 18980587), (899, 18157180), (982, 16622510), (1247, 13090060), (1333, 12245540), (1798, 9078590), (1849, 8828180), (1964, 8311255), (2455, 6649004), (2494, 6545030), (2666, 6122770), (3596, 4539295), (3698, 4414090), (4495, 3631436), (4910, 3324502), (4988, 3272515), (5332, 3061385), (6235, 2618012), (6665, 2449108), (7396, 2207045), (8990, 1815718), (9245, 1765636), (9820, 1662251), (12470, 1309006), (13330, 1224554), (14239, 1146380), (15221, 1072420), (17980, 907859), (18490, 882818), (21113, 773140), (24940, 654503), (26660, 612277), (28478, 573190), (30442, 536210), (36980, 441409), (38657, 422260), (42226, 386570), (53621, 304420), (56956, 286595), (57319, 284780), (60884, 268105), (71195, 229276), (76105, 214484), (77314, 211130), (84452, 193285), (105565, 154628), (107242, 152210), (114638, 142390)]